CVE-2015-3238

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
• http://rhn.redhat.com/errata/RHSA-2015-1640.html
• http://www.openwall.com/lists/oss-security/2015/06/25/13
• https://bugzilla.redhat.com/show_bug.cgi?id=1228571
• https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551
• https://security.gentoo.org/glsa/201605-05
• http://www.ubuntu.com/usn/USN-2935-2
• http://www.ubuntu.com/usn/USN-2935-3
• http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
• http://www.ubuntu.com/usn/USN-2935-1
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
• http://www.securityfocus.com/bid/75428
• https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
• http://rhn.redhat.com/errata/RHSA-2015-1640.html
• http://www.openwall.com/lists/oss-security/2015/06/25/13
• https://bugzilla.redhat.com/show_bug.cgi?id=1228571
• https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551
• https://security.gentoo.org/glsa/201605-05
• http://www.ubuntu.com/usn/USN-2935-2
• http://www.ubuntu.com/usn/USN-2935-3
• http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
• http://www.ubuntu.com/usn/USN-2935-1
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
• http://www.securityfocus.com/bid/75428
• https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/

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