Vulnerability Description
libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libuser | <= 0.56.13-5 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html
- http://rhn.redhat.com/errata/RHSA-2015-1482.html
- http://rhn.redhat.com/errata/RHSA-2015-1483.html
- http://www.securityfocus.com/bid/76022
- http://www.securitytracker.com/id/1033040
- https://access.redhat.com/articles/1537873
- https://www.exploit-db.com/exploits/44633/
- https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-Exploit
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html
- http://rhn.redhat.com/errata/RHSA-2015-1482.html
- http://rhn.redhat.com/errata/RHSA-2015-1483.html
FAQ
What is CVE-2015-3246?
CVE-2015-3246 is a vulnerability with a CVSS score of 7.2 (HIGH). libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (incons...
How severe is CVE-2015-3246?
CVE-2015-3246 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3246?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libuser.