This security bulletin contains one high risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an off-by-one error when parsing Postscript objects within the scan_ps() function in cups/raster-interpret.c. A remote attacker can trigger pass a specially crafted PPD file to the affected application, trigger a 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.Mitigation
Install update from vendor's repository.
libppd: 2.0 rc1 - 2.0b4Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?