Vulnerability Description
The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux-Pam | Linux-Pam | <= 1.1.8 |
| Oracle | Sparc-Opl Service Processor | <= 1121 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
- http://rhn.redhat.com/errata/RHSA-2015-1640.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/06/25/13
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.securityfocus.com/bid/75428
- http://www.ubuntu.com/usn/USN-2935-1
- http://www.ubuntu.com/usn/USN-2935-2
- http://www.ubuntu.com/usn/USN-2935-3
- https://bugzilla.redhat.com/show_bug.cgi?id=1228571
- https://security.gentoo.org/glsa/201605-05
- https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/Exploit
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-againstExploit
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
FAQ
What is CVE-2015-3238?
CVE-2015-3238 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial o...
How severe is CVE-2015-3238?
CVE-2015-3238 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-3238?
Check the references section above for vendor advisories and patch information. Affected products include: Linux-Pam Linux-Pam, Oracle Sparc-Opl Service Processor.