SB2011062402 - Multiple vulnerabilities in GNU groff

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Security Features (CVE-ID: CVE-2009-5078)

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 launches the Ghostscript program without the -dSAFER option, which allows remote attackers to create, overwrite, rename, or delete arbitrary files via a crafted document.

2) Link following (CVE-ID: CVE-2009-5044)

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.

Remediation

Install update from vendor's website.

References

• ftp://ftp.gnu.org/gnu/groff/groff-1.20.1-1.21.diff.gz
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=538338
• 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://www.securityfocus.com/bid/36381
• https://support.apple.com/kb/HT205031
• 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://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