Vulnerability Description
The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Heimdal | Heimdal | 0.7.2 |
Related Weaknesses (CWE)
References
- http://bugs.gentoo.org/show_bug.cgi?id=199207
- http://marc.info/?l=full-disclosure&m=119704362903699&w=2
- http://osvdb.org/44750
- http://securitytracker.com/id?1019057
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:239
- http://www.securityfocus.com/bid/26758
- http://bugs.gentoo.org/show_bug.cgi?id=199207
- http://marc.info/?l=full-disclosure&m=119704362903699&w=2
- http://osvdb.org/44750
- http://securitytracker.com/id?1019057
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:239
- http://www.securityfocus.com/bid/26758
FAQ
What is CVE-2007-5939?
CVE-2007-5939 is a vulnerability with a CVSS score of 10.0 (HIGH). The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact ...
How severe is CVE-2007-5939?
CVE-2007-5939 has been rated HIGH with a CVSS base score of 10.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-5939?
Check the references section above for vendor advisories and patch information. Affected products include: Heimdal Heimdal.