Exiv2 Library IPTC Metadata sscanf() denial of service
| exiv2-iptc-metadata-dos (24349) |  Low Risk |
Description:
Exiv2 is vulnerable to a denial of service, caused by a buffer overflow in the sscanf() function. By creating an image file containing specially-crafted IPTC Metadata, and then convincing a user to open the file, an attacker could overflow a buffer and cause the application linked to the vulnerable Exiv2 library to crash.
Platforms Affected:
- Andreas Huggel, Exiv2 0.8 and prior
Remedy:
Upgrade to the latest version of Exiv2 (0.9 or later), available from the Exiv2 Web page. See References.
Consequences:
Denial of Service
References:
- Exiv2 Web page, Exiv2 changelog at http://home.arcor.de/ahuggel/exiv2/changelog.html.
- Exiv2 Web page, Download at http://home.arcor.de/ahuggel/exiv2/download.html.
- BID-16400: Exiv2 Corrupted EXIF Data Denial Of Service Vulnerability
- CVE-2005-4676: Buffer overflow in Andreas Huggel Exiv2 before 0.9 does not null terminate strings before calling the sscanf function, which allows remote attackers to cause a denial of service (application crash) via images with crafted IPTC metadata.
- SA18619: Exiv2 IPTC Metadata Processing Denial of Service
- VUPEN/ADV-2006-0345: Exiv2 Library IPTC Metadata Processing Denial of Service Vulnerability
Reported:
Jan 26, 2006
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net