Heap-based buffer overflow in libexif - CVE-2009-3895

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the exif_entry_fix function (aka the tag fixup routine) in libexif/exif-entry.c in libexif. A remote attacker can create a specially crafted imgae, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2009-3895

External References

• http://bugs.debian.org/557137
• http://bugs.gentoo.org/show_bug.cgi?id=293190
• http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/NEWS?view=markup&pathrev=libexif-0_6_19-release
• http://secunia.com/advisories/37378
• http://sourceforge.net/mailarchive/message.php?msg_name=20091113072359.GA22681%40coneharvesters.com
• http://www.openwall.com/lists/oss-security/2009/11/19/2
• http://www.osvdb.org/59956
• http://www.securityfocus.com/bid/37022
• http://www.vupen.com/english/advisories/2009/3243
• https://exchange.xforce.ibmcloud.com/vulnerabilities/54275

Related Security Bulletins

• Remote code execution in libexif
• Heap-based buffer overflow in libexif (Alpine package)