CVE description :
The recv_msg_userauth_request function in svr-auth.c in Dropbear through
2018.76 is prone to a user enumeration vulnerability because username
validity affects how fields in SSH_MSG_USERAUTH messages are handled,
a similar issue to CVE-2018-15473 in an unrelated codebase.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Update to latest git HEAD in order to support configuring multiple
concurrent Lua prefixes in a single uhttpd instance:
b741dec lua: support multiple Lua prefixes
Additionally rework the init script and update the default configuration
example to treat the lua_prefix option as key=value uci list, similar to
the interpreter extension mapping. Support for the old "option lua_prefix"
plus "option lua_handler" notation is still present.
Finally drop the sed postinstall hack in uhttpd-mod-lua to avoid mangling
files belonging to other packages. Since Lua prefixes have precedence
over CGI prefixes, simply register `/cgi-bin/luci` as Lua handler which
will only become active if both luci-base and uhttpd-mod-lua is installed.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Allows discovery without having to use NetBIOS. Useful for mobile devices.
Could eventually throw nbmd away. But that requires Windows 10...
Tested on Fedora 28 with avahi-discover.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Remove creation of file /etc/ethers in dnsmasq init script as the
file is now created by default in the base-files package by
commit fa3301a28e
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This adds processing of all CSA arguments from ubus switch_chan request
in the same manner as in the control interface API.
Signed-off-by: Yury Shvedov <yshvedov@wimarksystems.com>
* send: switch handshake stamp to an atomic
Rather than abusing the handshake lock, we're much better off just using
a boring atomic64 for this. It's simpler and performs better. Also, while
we're at it, we set the handshake stamp both before and after the
calculations, in case the calculations block for a really long time waiting
for the RNG to initialize.
* compat: better atomic acquire/release backport
This should fix compilation and correctness on several platforms.
* crypto: move simd context to specific type
This was a suggestion from Andy Lutomirski on LKML.
* chacha20poly1305: selftest: use arrays for test vectors
We no longer have lines so long that they're rejected by SMTP servers.
* qemu: add easy git harness
This makes it a bit easier to use our qemu harness for testing our mainline
integration tree.
* curve25519-x86_64: avoid use of r12
This causes problems with RAP and KERNEXEC for PaX, as r12 is a
reserved register.
* chacha20: use memmove in case buffers overlap
A small correctness fix that we never actually hit in WireGuard but is
important especially for moving this into a general purpose library.
* curve25519-hacl64: simplify u64_eq_mask
* curve25519-hacl64: correct u64_gte_mask
Two bitmath fixes from Samuel, which come complete with a z3 script proving
their correctness.
* timers: include header in right file
This fixes compilation in some environments.
* netlink: don't start over iteration on multipart non-first allowedips
Matt Layher found a bug where a netlink dump of peers would never terminate in
some circumstances, causing wg(8) to keep trying forever. We now have a fix as
well as a unit test to mitigate this, and we'll be looking to create a fuzzer
out of Matt's nice library.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Unauthenticated EAPOL-Key decryption in wpa_supplicant
Published: August 8, 2018
Identifiers:
- CVE-2018-14526
Latest version available from: https://w1.fi/security/2018-1/
Vulnerability
A vulnerability was found in how wpa_supplicant processes EAPOL-Key
frames. It is possible for an attacker to modify the frame in a way that
makes wpa_supplicant decrypt the Key Data field without requiring a
valid MIC value in the frame, i.e., without the frame being
authenticated. This has a potential issue in the case where WPA2/RSN
style of EAPOL-Key construction is used with TKIP negotiated as the
pairwise cipher. It should be noted that WPA2 is not supposed to be used
with TKIP as the pairwise cipher. Instead, CCMP is expected to be used
and with that pairwise cipher, this vulnerability is not applicable in
practice.
When TKIP is negotiated as the pairwise cipher, the EAPOL-Key Key Data
field is encrypted using RC4. This vulnerability allows unauthenticated
EAPOL-Key frames to be processed and due to the RC4 design, this makes
it possible for an attacker to modify the plaintext version of the Key
Data field with bitwise XOR operations without knowing the contents.
This can be used to cause a denial of service attack by modifying
GTK/IGTK on the station (without the attacker learning any of the keys)
which would prevent the station from accepting received group-addressed
frames. Furthermore, this might be abused by making wpa_supplicant act
as a decryption oracle to try to recover some of the Key Data payload
(GTK/IGTK) to get knowledge of the group encryption keys.
Full recovery of the group encryption keys requires multiple attempts
(128 connection attempts per octet) and each attempt results in
disconnection due to a failure to complete the 4-way handshake. These
failures can result in the AP/network getting disabled temporarily or
even permanently (requiring user action to re-enable) which may make it
impractical to perform the attack to recover the keys before the AP has
already changes the group keys. By default, wpa_supplicant is enforcing
at minimum a ten second wait time between each failed connection
attempt, i.e., over 20 minutes waiting to recover each octet while
hostapd AP implementation uses 10 minute default for GTK rekeying when
using TKIP. With such timing behavior, practical attack would need large
number of impacted stations to be trying to connect to the same AP to be
able to recover sufficient information from the GTK to be able to
determine the key before it gets changed.
Vulnerable versions/configurations
All wpa_supplicant versions.
Acknowledgments
Thanks to Mathy Vanhoef of the imec-DistriNet research group of KU
Leuven for discovering and reporting this issue.
Possible mitigation steps
- Remove TKIP as an allowed pairwise cipher in RSN/WPA2 networks. This
can be done also on the AP side.
- Merge the following commits to wpa_supplicant and rebuild:
WPA: Ignore unauthenticated encrypted EAPOL-Key data
This patch is available from https://w1.fi/security/2018-1/
- Update to wpa_supplicant v2.7 or newer, once available
Signed-off-by: John Crispin <john@phrozen.org>
Changelog taken from the version announcement
> == Changes ==
>
> * chacha20poly1305: selftest: split up test vector constants
>
> The test vectors are encoded as long strings -- really long strings -- and
> apparently RFC821 doesn't like lines longer than 998.
> https://cr.yp.to/smtp/message.html
>
> * queueing: keep reference to peer after setting atomic state bit
>
> This fixes a regression introduced when preparing the LKML submission.
>
> * allowedips: prevent double read in kref
> * allowedips: avoid window of disappeared peer
> * hashtables: document immediate zeroing semantics
> * peer: ensure resources are freed when creation fails
> * queueing: document double-adding and reference conditions
> * queueing: ensure strictly ordered loads and stores
> * cookie: returned keypair might disappear if rcu lock not held
> * noise: free peer references on failure
> * peer: ensure destruction doesn't race
>
> Various fixes, as well as lots of code comment documentation, for a
> small variety of the less obvious aspects of object lifecycles,
> focused on correctness.
>
> * allowedips: free root inside of RCU callback
> * allowedips: use different macro names so as to avoid confusion
>
> These incorporate two suggestions from LKML.
>
> This snapshot contains commits from: Jason A. Donenfeld and Jann Horn.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
The call "get_features" allows to gather hostapd config options
via ubus. As first infos we add the ht and vht support.
Although nl80211 supports to gather informations about
ht and vht capabilities, the hostapd configuration can disable
vht and ht. However, it is possible that the iw output is not
representing the actual hostapd configuration.
Signed-off-by: Nick Hainke <vincent@systemli.org>
Upstream renamed openssl-1.0.cnf to openssl-easyrsa.cnf.
However, pkg kept using openssl-1.0.cnf.
Upstream easyrsa searchs for vars, openssl-*, x509-types in the
same directory as easyrsa script. This was patched to revert
back to static /etc/easy-rsa/ directory (as does OpenSUSE).
EASYRSA_PKI still depends on $PWD.
Move easyrsa from /usr/sbin to /usr/bin as root is not needed.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
It is insecure to let this type of packets inside
They can e.g. open ports on some other routers with UPnP, etc
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
[0-3](none, minimal[default], more, maximum)
It is not 100% backward compatible, because now 0 disables logging
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
Refresh patches
Upstream commits since last bump:
3b6eb19 Log DNSSEC trust anchors at startup.
f3e5787 Trivial comment change.
c851c69 Log failure to confirm an address in DHCPv6.
a3bd7e7 Fix missing fatal errors when parsing some command-line/config options.
ab5ceaf Document the --help option in the french manual
1f2f69d Fix recurrent minor spelling mistake in french manual
f361b39 Fix some mistakes in french translation of the manual
eb1fe15 When replacing cache entries, preserve CNAMES which target them.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This watchdog script tries to re-resolve hostnames for inactive WireGuard peers.
Use it for peers with a frequently changing dynamic IP.
persistent_keepalive must be set, recommended value is 25 seconds.
Run this script from cron every minute:
echo '* * * * * /usr/bin/wireguard_watchdog' >> /etc/crontabs/root
Signed-off-by: Aleksandr V. Piskunov <aleksandr.v.piskunov@gmail.com>
[bump the package release]
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
80b41cd version: bump snapshot
fe5f0f6 recieve: disable NAPI busy polling
e863f40 device: destroy workqueue before freeing queue
81a2e7e wg-quick: allow link local default gateway
95951af receive: use gro call instead of plain call
d9501f1 receive: account for zero or negative budget
e80799b tools: only error on wg show if all interfaces failk
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
[Added commit log to commit description]
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Add each variant to the matching PROVIDERS variables after evaluating
the respective hostapd*, wpad* and wpa* variant.
Each package providing the same feature will automatically conflict with
all prior packages providing the same feature.
This way we can handle the conflicts automatically without introducing
recursive dependencies.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Move common variables and/or values to the package (variant) default.
Add additional values in variant packages if necessary. Remove further
duplicates by introducing new templates.
Remove the ANY_[HOSTAPD|SUPPLICANT_PROVIDERS]_PROVIDERS. The are the
same as the variables without the any prefix. No need to maintain both
variables.
Signed-off-by: Mathias Kresin <dev@kresin.me>
procd needs processes to stay in foreground to remain under its gaze and
control. Failure to do so means service stop commands fail to actually
stop the process (procd doesn't think it's running 'cos the process has
exited already as part of its forking routing)
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
As dnsmasq is started earlier than netifd usage of network.sh functions
at boottime will fail; therefore don't call at boottime the functions
which construct the dhcp pool/relay info.
As interface triggers are installed the dhcp pool/relay info will be
constructed when the interface gets reported as up by netifd.
At the same time also register interface triggers based on DHCP relay
config.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
The pptp.so plugin needs to be built with -fPIC as well in order to be
linkable again.
Fixes 888a15ff83 ("ppp: add missing -fPIC to rp-pppoe.so CFLAGS")
Fixes e7397eef69 ("ppp: compile with LTO enabled")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Increase the termination timeout to 15s to let OpenVPN properly tear down
its connections, especially when weak links or complex down scripts are
involved.
Fixes FS#859.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Override the default shutdown action (stop) and close all processes
of dropbear
Since commit 498fe85, the stop action only closes the process
that's listening for new connections, maintaining the ones with
existing clients.
This poses a problem when restarting or shutting-down a device,
because the connections with existing SSH clients, like OpenSSH,
are not properly closed, causing them to hang.
This situation can be avoided by closing all dropbear processes when
shutting-down the system, which closes properly the connections with
current clients.
Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
[Luis: Rework commit message]
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
* device: print daddr not saddr in missing peer error
* receive: style
Debug messages now make sense again.
* wg-quick: android: support excluding applications
Android now supports excluding certain apps (uids) from the tunnel.
* selftest: ratelimiter: improve chance of success via retry
* qemu: bump default kernel version
* qemu: decide debug kernel based on KERNEL_VERSION
Some improvements to our testing infrastructure.
* receive: use NAPI on the receive path
This is a big change that should both improve preemption latency (by not
disabling it unconditionally) and vastly improve rx performance on most
systems by using NAPI. The main purpose of this snapshot is to test out this
technique.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
345bba0 dhcpv4: improve error checking in handle_dhcpv4()
c0f6390 odhcpd: Check if open the ioctl socket failed
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Update mbed TLS to 2.11.0
Disable OFB block mode and XTS block cipher mode, added in 2.11.0.
The soVersion of mbedtls changed, bump PKG_RELEASE for packages that use mbedTLS
This is to avoid having a mismatch between packages when upgrading.
The size of mbedtls increased a little bit:
ipkg for mips_24kc before:
163.846 Bytes
ipkg for mips_24kc after:
164.382 Bytes
Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
Refresh patches and backport upstream to current HEAD:
a997ca0 Fix sometimes missing DNSSEC RRs when DNSSEC validation not enabled.
51e4eee Fix address-dependent domains for IPv6.
05ff659 Fix stupid infinite loop introduced by preceding commit.
db0f488 Handle some corner cases in RA contructed interfaces with addresses changing interface.
7dcca6c Warn about the impact of cache-size on performance.
090856c Allow zone transfer in authoritative mode whenever auth-peer is specified.
cc5cc8f Sane error message when pcap file header is wrong.
c488b68 Handle standard and contructed dhcp-ranges on the same interface.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This was causing issues recently as samba36 is not API compatible with the
libtdb in the packages repo. It shouldn't be using it anyway. Nor tevent.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
dfd9827 version: bump snapshot
88729f0 wg-quick: android: prevent outgoing handshake packets from being dropped
1bb9daf compat: more robust ktime backport
68441fb global: use fast boottime instead of normal boottime
d0bd6dc global: use ktime boottime instead of jiffies
18822b8 tools: fix misspelling of strchrnul in comment
0f8718b manpages: eliminate whitespace at the end of the line
590c410 global: fix a few typos
bb76804 simd: add missing header
7e88174 poly1305: give linker the correct constant data section size
fd8dfd3 main: test poly1305 before chacha20poly1305
c754c59 receive: don't toggle bh
Compile-tested-for: ath79 Archer C7 v2
Run-tested-on: ath79 Archer C7 v2
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
0bc4230 version: bump snapshot
ed04799 poly1305: add missing string.h header
cbd4e34 compat: use stabler lkml links
caa718c ratelimiter: do not allow concurrent init and uninit
894ddae ratelimiter: mitigate reference underflow
0a8a62c receive: drop handshake packets if rng is not initialized
cad9e52 noise: wait for crng before taking locks
83c0690 netlink: maintain static_identity lock over entire private key update
0913f1c noise: take locks for ss precomputation
073f31a qemu: bump default kernel
bec4c48 wg-quick: android: don't forget to free compiled regexes
7ce2ef3 wg-quick: android: disable roaming to v6 networks when v4 is specified
9132be4 dns-hatchet: apply resolv.conf's selinux context to new resolv.conf
41a5747 simd: no need to restore fpu state when no preemption
6d7f0b0 simd: encapsulate fpu amortization into nice functions
f8b57d5 queueing: re-enable preemption periodically to lower latency
b7b193f queueing: remove useless spinlocks on sc
5bb62fe tools: getentropy requires 10.12
4e9f120 chacha20poly1305: use slow crypto on -rt kernels on arm too
Compiled-for: ar71xx, lantiq
Run-tested-on: ar71xx Archer C7 v2 & lantiq HH5a
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Commit ecd954d530 installs specific interface triggers which rewrites the dnsmasq config
file and restarts dnsmasq if the network interface becomes active for which a trigger
has been installed.
In case no dhcp sections are specified or ignore is set to 1 dnsmasq will not be started
at startup which breaks DNS resolving.
Fix this by ditching the BOOT check in start_service and always start dnsmasq at startup.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Fix condir option processing allowing to use the format
"<directory>[,<file-extension>......]," as documented on the dnsmasq man
page which previously resulted into bogus dir being created.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This version bump was made upstream mostly for OpenWRT, and should fix
an issue with a null dst when on the flow offloading path.
While we're at it, Kevin and I are the only people actually taking care
of this package, so trim the maintainer list a bit.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
