Mandriva Linux Security Advisory 2009-029 - Security vulnerabilities have been discovered and corrected in CUPS. CUPS 1.1.17 through 1.3.9 allows remote attackers to execute arbitrary code via a PNG image with a large height value, which bypasses a validation check and triggers a buffer overflow. CUPS shipped with Mandriva Linux allows local users to overwrite arbitrary files via a symlink attack on the /tmp/pdf.log temporary file. The updated packages have been patched to prevent this.
5bd12d58fe984f20eaf9ce8cdca247ed7d8e7d8f56db06e9e6d14c5d9cc5ef19Mandriva Linux Security Advisory 2009-028 - Security vulnerabilities have been discovered and corrected in CUPS. CUPS before 1.3.8 allows local users, and possibly remote attackers, to cause a denial of service (daemon crash) by adding a large number of RSS Subscriptions, which triggers a NULL pointer dereference. The web interface (cgi-bin/admin.c) in CUPS before 1.3.8 uses the guest username when a user is not logged on to the web server, which makes it easier for remote attackers to bypass intended policy and conduct CSRF attacks via the (1) add and (2) cancel RSS subscription functions. CUPS 1.1.17 through 1.3.9 allows remote attackers to execute arbitrary code via a PNG image with a large height value, which bypasses a validation check and triggers a buffer overflow. CUPS shipped with Mandriva Linux allows local users to overwrite arbitrary files via a symlink attack on the /tmp/pdf.log temporary file. The updated packages have been patched to prevent this.
1e8a4108fdf9c2d57d8db1cf6e760cbbcb404476f8da36f8cd8b11ddda80fdbeUbuntu Security Notice USN-707-1 - It was discovered that CUPS didn't properly handle adding a large number of RSS subscriptions. A local user could exploit this and cause CUPS to crash, leading to a denial of service. This issue only applied to Ubuntu 7.10, 8.04 LTS and 8.10. It was discovered that CUPS did not authenticate users when adding and cancelling RSS subscriptions. An unprivileged local user could bypass intended restrictions and add a large number of RSS subscriptions. This issue only applied to Ubuntu 7.10 and 8.04 LTS. It was discovered that the PNG filter in CUPS did not properly handle certain malformed images. If a user or automated system were tricked into opening a crafted PNG image file, a remote attacker could cause a denial of service or execute arbitrary code with user privileges. In Ubuntu 7.10, 8.04 LTS, and 8.10, attackers would be isolated by the AppArmor CUPS profile. It was discovered that the example pstopdf CUPS filter created log files in an insecure way. Local users could exploit a race condition to create or overwrite files with the privileges of the user invoking the program. This issue only applied to Ubuntu 6.06 LTS, 7.10, and 8.04 LTS.
a74367854a58a1911ddaa489d9fd8218667d9571e9707336bebfe1ff63c0d9c3Gentoo Linux Security Advisory GLSA 200812-11 - Several remotely exploitable bugs have been found in CUPS, which allow remote execution of arbitrary code. Versions less than 1.3.9-r1 are affected.
827cf9ee7779b7a80dd45cbbe00a496e41377152190668ccd97c51324afc527bDebian Security Advisory DSA 1677-1 - An integer overflow has been discovered in the image validation code of cupsys, the Common UNIX Printing System. An attacker could trigger this bug by supplying a malicious graphic that could lead to the execution of arbitrary code.
8b80bf7892307528425277fb7e9b0214a62daea0cbc4d7b1e498eae6f3e5ef0c
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