Bug 1817397 (CVE-2020-9760)

Summary:	CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gchamoul, i, karlthered, niveusluna, peter.borsa
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	weechat 2.7.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-26 10:32:11 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1817398, 1817399, 1817400
Bug Blocks:

Description Michael Kaplan 2020-03-26 09:53:35 UTC

An issue was discovered in WeeChat before 2.7.1. When receiving IRC message 005 with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Comment 1 Michael Kaplan 2020-03-26 09:54:43 UTC

Created weechat tracking bugs for this issue:

Affects: epel-6 [bug 1817399]
Affects: epel-7 [bug 1817400]
Affects: fedora-all [bug 1817398]

Comment 2 Product Security DevOps Team 2020-03-26 10:32:11 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.