Input validation error in cups-filters - CVE-2015-8327
Published: December 17, 2015 / Updated: August 4, 2020
Vulnerability identifier: #VU33815
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-8327
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenPrinting
Affected software:
cups-filters
cups-filters
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Incomplete blacklist vulnerability in util.c in foomatic-rip in cups-filters 1.0.42 before 1.2.0 and in foomatic-filters in Foomatic 4.0.x allows remote attackers to execute arbitrary commands via ` (backtick) characters in a print job. <a href="https://cwe.mitre.org/data/definitions/184.html">CWE-184: Incomplete Blacklist</a>
How to mitigate CVE-2015-8327
Install update from vendor's website.
Sources
- http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/annotate/head:/NEWS
- http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7406
- http://lists.opensuse.org/opensuse-updates/2016-01/msg00065.html
- http://rhn.redhat.com/errata/RHSA-2016-0491.html
- http://www.debian.org/security/2015/dsa-3411
- http://www.debian.org/security/2015/dsa-3429
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/78524
- http://www.ubuntu.com/usn/USN-2831-1
- http://www.ubuntu.com/usn/USN-2831-2
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=806886
- https://lists.debian.org/debian-printing/2015/11/msg00020.html
- https://lists.debian.org/debian-printing/2015/12/msg00001.html