Bug 1163889 - (CVE-2020-8955) VUL-0: CVE-2020-8955: weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c
(CVE-2020-8955)
VUL-0: CVE-2020-8955: weechat: denial of service in irc_mode_channel_update i...
Status: RESOLVED FIXED
Classification: openSUSE
Product: openSUSE Distribution
Classification: openSUSE
Component: Security
Leap 15.1
Other Other
: P3 - Medium : Normal (vote)
: ---
Assigned To: Maximilian Trummer
Security Team bot
https://smash.suse.de/issue/253020/
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2020-02-17 12:24 UTC by Robert Frohl
Modified: 2022-03-14 16:21 UTC (History)
3 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Robert Frohl 2020-02-17 12:24:06 UTC
rh#1803064

A vulnerability was found in irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

Reference:

https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da
https://weechat.org/doc/security/

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1803064
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-8955
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-8955.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8955
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da
https://weechat.org/doc/security/
Comment 1 Robert Frohl 2020-02-17 12:29:06 UTC
From the looks of it still missing in Leap and Tumbleweed.
Comment 2 Robert Frohl 2020-02-17 12:32:07 UTC
Upstream looks to me like there might be a version 2.7.1 incoming.
Comment 3 Swamp Workflow Management 2020-02-17 13:30:06 UTC
This is an autogenerated message for OBS integration:
This bug (1163889) was mentioned in
https://build.opensuse.org/request/show/774861 Factory / weechat
https://build.opensuse.org/request/show/774865 15.1+Backports:SLE-15+Backports:SLE-15-SP1 / weechat
Comment 4 Swamp Workflow Management 2020-02-27 17:18:55 UTC
openSUSE-SU-2020:0248-1: An update that fixes one vulnerability is now available.

Category: security (important)
Bug References: 1163889
CVE References: CVE-2020-8955
Sources used:
openSUSE Leap 15.1 (src):    weechat-2.1-lp151.3.3.1
openSUSE Backports SLE-15-SP1 (src):    weechat-2.1-bp151.4.3.1
openSUSE Backports SLE-15 (src):    weechat-2.1-bp150.3.3.1
Comment 5 Andreas Stieger 2022-03-14 16:21:12 UTC
done