The groffer script in the Groff package 1.18 and later versions, as used in Trustix Secure Linux 1.5 through 2.1, and possibly other operating systems, allows local users to overwrite files via a symlink attack on temporary files.

References

• https://nvd.nist.gov/vuln/detail/CVE-2004-0969
• https://exchange.xforce.ibmcloud.com/vulnerabilities/17583
• http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=136313
• http://secunia.com/advisories/18764
• http://www.gentoo.org/security/en/glsa/glsa-200411-15.xml
• http://www.securityfocus.com/bid/11287
• http://www.trustix.org/errata/2004/0050
• http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:038