Bug 1803064 (CVE-2020-8955)

Summary: CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: gchamoul, i, karlthered, niveusluna, peter.borsa
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
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Story Points: ---
Clone Of: Environment:
Last Closed: 2020-02-14 14:09:38 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1803065, 1803066    
Bug Blocks:    

Description Dhananjay Arunesh 2020-02-14 12:11:14 UTC
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/

Comment 1 Dhananjay Arunesh 2020-02-14 12:11:56 UTC
Created weechat tracking bugs for this issue:

Affects: epel-all [bug 1803066]
Affects: fedora-all [bug 1803065]

Comment 2 Product Security DevOps Team 2020-02-14 14:09:38 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.