It was discovered that JasPer did not correctly handle memory allocation when parsing certain malformed JPEG2000 images. If a user were tricked into opening a specially crafted image with an application that uses libjasper, an attacker could cause a denial of service and possibly execute arbitrary code with the user’s privileges. (CVE-2008-3520)
It was discovered that JasPer created temporary files in an insecure way. Local users could exploit a race condition and cause a denial of service in libjasper applications. (CVE-2008-3521)
19 March 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that JasPer did not correctly handle memory allocation when parsing certain malformed JPEG2000 images. If a user were tricked into opening a specially crafted image with an application that uses libjasper, an attacker could cause a denial of service and possibly execute arbitrary code with the user’s privileges. (CVE-2008-3520)
It was discovered that JasPer created temporary files in an insecure way. Local users could exploit a race condition and cause a denial of service in libjasper applications. (CVE-2008-3521)
It was discovered that JasPer did not correctly handle certain formatting operations. If a user were tricked into opening a specially crafted image with an application that uses libjasper, an attacker could cause a denial of service and possibly execute arbitrary code with the user’s privileges. (CVE-2008-3522)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon