Link following in groff - CVE-2009-5044
Published: June 24, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44925
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-5044
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
groff
groff
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
contrib/pdfmark/pdfroff.sh in GNU troff (aka groff) before 1.21 allows local users to overwrite arbitrary files via a symlink attack on a pdf#####.tmp temporary file.
How to mitigate CVE-2009-5044
Install update from vendor's website.
Sources
- ftp://ftp.gnu.org/gnu/groff/groff-1.20.1-1.21.diff.gz
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=538330
- http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/groff/groff-1.20.1-owl-tmp.diff
- http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/groff/groff-1.20.1-owl-tmp.diff.diff?r1=1.1;r2=1.2;f=h
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- http://openwall.com/lists/oss-security/2009/08/09/1
- http://openwall.com/lists/oss-security/2009/08/10/2
- http://openwall.com/lists/oss-security/2009/08/14/4
- http://openwall.com/lists/oss-security/2009/08/14/5
- http://secunia.com/advisories/44999
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:085
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:086
- http://www.securityfocus.com/bid/36381
- https://support.apple.com/kb/HT205031