Bug 1444076 (CVE-2017-7875)

Summary:	CVE-2017-7875 feh: Integer overflow in wallpaper.c while receiving an IPC message
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fale, fedora
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	feh 2.18.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:10:56 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:	1444077
Bug Blocks:

Description Andrej Nemec 2017-04-20 13:57:35 UTC

In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger an out-of-boundary heap write while receiving an IPC message. An integer overflow leads to a buffer overflow and/or a double free.

Upstream patch:

https://github.com/derf/feh/commit/f7a547b7ef8fc8ebdeaa4c28515c9d72e592fb6d

References:

https://feh.finalrewind.org/archive/2.18.3/

Comment 1 Andrej Nemec 2017-04-20 13:58:01 UTC

Created feh tracking bugs for this issue:

Affects: fedora-all [bug 1444077]

Comment 2 Product Security DevOps Team 2019-06-08 03:10:56 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.