Permissions, Privileges, and Access Controls in CUPS - CVE-2012-5519
Published: November 20, 2012 / Updated: June 15, 2023
Vulnerability identifier: #VU43321
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2012-5519
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Apple Inc.
Affected software:
CUPS
CUPS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
CUPS 1.4.4, when running in certain Linux distributions such as Debian GNU/Linux, stores the web interface administrator key in /var/run/cups/certs/0 using certain permissions, which allows local users in the lpadmin group to read or write arbitrary files as root by leveraging the web interface.
How to mitigate CVE-2012-5519
Install update from vendor's website.
Sources
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=692791
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00010.html
- http://rhn.redhat.com/errata/RHSA-2013-0580.html
- http://support.apple.com/kb/HT5784
- http://www.openwall.com/lists/oss-security/2012/11/10/5
- http://www.openwall.com/lists/oss-security/2012/11/11/2
- http://www.openwall.com/lists/oss-security/2012/11/11/5
- http://www.securityfocus.com/bid/56494
- http://www.ubuntu.com/usn/USN-1654-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80012