Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
[ GLSA 200611-09 ] libpng: Denial of Service
View unanswered posts
View posts from last 24 hours

 
Reply to topic    Gentoo Forums Forum Index News & Announcements
View previous topic :: View next topic  
Author Message
GLSA
Veteran
Veteran


Joined: 12 May 2004
Posts: 1571

PostPosted: Fri Nov 17, 2006 12:26 pm    Post subject: [ GLSA 200611-09 ] libpng: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: libpng: Denial of Service (GLSA 200611-09)
Severity: normal
Exploitable: remote
Date: November 17, 2006
Bug(s): #154380
ID: 200611-09

Synopsis

A vulnerability in libpng may allow a remote attacker to crash applications that handle untrusted images.

Background

libpng is a free ANSI C library used to process and manipulate PNG images.

Affected Packages

Package: media-libs/libpng
Vulnerable: < 1.2.13
Unaffected: >= 1.2.13
Architectures: All supported architectures


Description

Tavis Ormandy of the Gentoo Linux Security Audit Team discovered that a vulnerability exists in the sPLT chunk handling code of libpng, a large sPLT chunk may cause an application to attempt to read out of bounds.

Impact

A remote attacker could craft an image that when processed or viewed by an application using libpng causes the application to terminate abnormally.

Workaround

There is no known workaround at this time.

Resolution

All libpng users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.13"


References

CVE-2006-5793
Back to top
View user's profile Send private message
Display posts from previous:   
Reply to topic    Gentoo Forums Forum Index News & Announcements All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum