Ubuntu Security Notice 598-1 - It was discovered that the CUPS administration interface contained a heap- based overflow flaw. A local attacker, and a remote attacker if printer sharing is enabled, could send a malicious request and possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile. It was discovered that the hpgl filter in CUPS did not properly validate its input when parsing parameters. If a crafted HP-GL/2 file were printed, an attacker could possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile. It was discovered that CUPS had a flaw in its managing of remote shared printers via IPP. A remote attacker could send a crafted UDP packet and cause a denial of service or possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile. It was discovered that CUPS did not properly perform bounds checking in its GIF decoding routines. If a crafted GIF file were printed, an attacker could possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile.
76971a967007cc526ac3f071c811a22f58d61bf8643d735b0b8e9e0ab5e7fefeGentoo Linux Security Advisory GLSA 200804-01 - Multiple vulnerabilities have been discovered in CUPS, allowing for the remote execution of arbitrary code and a Denial of Service. Versions less than 1.2.12-r7 are affected.
b3a1d6290a902ca1f3a0f7c2852b2f0b06dc67e5eff8404f7fe618e8e9d1e99aDebian Security Advisory 1530-1 - Several local/remote vulnerabilities have been discovered in cupsys, the Common Unix Printing System. A heap-based buffer overflow in CUPS, when printer sharing is enabled, allows remote attackers to execute arbitrary code via crafted search expressions. A double free vulnerability in the process_browse_data function in CUPS 1.3.5 allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via crafted packets to the cupsd port (631/udp), related to an unspecified manipulation of a remote printer.
a5eff4c1aab8b289dee26fb4d18a9997f81a42a145ae3628aace65ddeda08dedSUSE Security Announcement - The current security update of cups fixes a double-free bug in the function process_browse_data() that can lead to a remote denial-of-service by crashing cupsd or possibly to a remote code execution. The bug can only be exploited if cupsd listens to 631/udp by crafted UDP Browse packets. Additionally two remote denial-of-service bugs were fixed. The first one can be triggered via crafted IPP packets to use a pointer after it was freed and the second issue is a memory-leak caused by a large number of requests to add and remove shared printers.
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