Summary
Ubuntu Update for Linux kernel vulnerabilities USN-952-1
Solution
Please Install the Updated Packages.
Insight
Adrian Pastor and Tim Starling discovered that the CUPS web interface incorrectly protected against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into CUPS, a remote attacker could modify the CUPS configuration and possibly steal confidential data. (CVE-2010-0540)
It was discovered that CUPS did not properly handle memory allocations in the texttops filter. If a user or automated system were tricked into printing a crafted text file, a remote attacker could cause a denial of service or possibly execute arbitrary code with privileges of the CUPS user (lp). (CVE-2010-0542)
Luca Carettoni discovered that the CUPS web interface incorrectly handled form variables. A remote attacker who had access to the CUPS web interface could use this flaw to read a limited amount of memory from the cupsd process and possibly obtain confidential data. (CVE-2010-1748)
Affected
cups, cupsys vulnerabilities on Ubuntu 6.06 LTS ,
Ubuntu 8.04 LTS ,
Ubuntu 9.04 ,
Ubuntu 9.10 ,
Ubuntu 10.04 LTS
Severity
Classification
-
CVE CVE-2010-0540, CVE-2010-0542, CVE-2010-1748 -
CVSS Base Score: 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
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