Contact | Site en Français               

 


 

Vulnerabilities & Threats

 
  VUPEN Security Advisories
  Linux Security Advisories

  Malware Advisories

  Security Research
  Threat Watch Blog
  Zero-Day Monitor
  Search Engine
  Mailing List & RSS
 
   

>> Libpng Unknown Chunks Handling Uninitialized Memory Vulnerability

Title : Libpng Unknown Chunks Handling Uninitialized Memory Vulnerability
VUPEN ID : VUPEN/ADV-2008-1225
CVE ID : CVE-2008-1382
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-04-15


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Libpng, which could be exploited by attackers to gain knowlkedge of sensitive information, cause a denial of service or compromise an affected system. This issue is caused by an error when handling unknown chunks with zero data length, which could be exploited to cause applications that call "png_set_read_user_chunk_fn()" or "png_set_keep_unknown_chunks()" to use uninitialized memory, leading to information disclosure, denial of service, or arbitrary code execution.

Affected Products

libpng versions 1.0.6 through 1.0.32
libpng versions 1.2.0 through 1.2.26
libpng versions 1.4.0beta01 through 1.4.0beta19

Solution

Upgrade to libpng version 1.2.27beta01 :
http://libpng.sourceforge.net/

References

http://www.vupen.com/english/advisories/2008/1225
http://libpng.sourceforge.net/Advisory-1.2.26.txt
http://www.ocert.org/advisories/ocert-2008-003.html

Credits

Vulnerability reported by Tavis Ormandy (oCERT Team / Google Security Team).

ChangeLog

2008-04-15 : Initial release

Vulnerability Management

Subscribe to VUPEN VNS and receive real-time alerts when new advisories or patches relevant to your systems and network configurations are available.

Feedback

If you have additional information or corrections for this security advisory please submit them via our contact form.

 

Vulnerability Alerting

Free 14-Day Trial

 
  Latest News

 

  >> 2009-07-06

     

  Microsoft Windows 0-Day
  Flaw Exploited in the Wild


  >> 2009-06-10

     

  VUPEN Security Research
  Discovered Critical Flaws
  in Adobe Acrobat and MS

  Office Word


  >> 2009-06-02

     

  VUPEN Security Research
  Discovered Critical Flaws
  in ACDSee Products


  >> 2009-05-22

     

  VUPEN Discovered Two
  Critical Vulnerabilities in
  Novell GroupWise 8 / 7

 

 

More Informations    
    








Copyright 2003-2009 © VUPEN.COM - Privacy Policy