Exiv2 Library IPTC Metadata sscanf() denial of service
| exiv2-iptc-metadata-dos (24349) |  Medium 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.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Exiv2 (0.9 or later), available from the Exiv2 Web page. See References.
References:
- Exiv2 Web page: Exiv2 changelog.
- Exiv2 Web page: Download.
- 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
Platforms Affected:
- Andreas Huggel Exiv2 0.8 and prior
Reported:
Jan 26, 2006
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