CVE-2015-3238

NONE EPSS 84.1%

Published Aug 24, 201510y ago · Modified Jun 17, 20262w ago

Published Aug 24, 2015 10y ago

Last Modified Jun 17, 2026 2w ago

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.

Threat Intelligence

EPSS Exploit Probability

84.1% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 2

Vendor	Product	Version	Range
linux-pam	linux-pam	*	≤1.1.8
oracle	sparc-opl_service_processor	*	≤1121

References 13

lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
lists.fedoraproject.org http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2015-1640.html

Vendor Advisory
openwall.com http://www.openwall.com/lists/oss-security/2015/06/25/13
oracle.com http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
securityfocus.com http://www.securityfocus.com/bid/75428
ubuntu.com http://www.ubuntu.com/usn/USN-2935-1
ubuntu.com http://www.ubuntu.com/usn/USN-2935-2
ubuntu.com http://www.ubuntu.com/usn/USN-2935-3
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1228571
security.gentoo.org https://security.gentoo.org/glsa/201605-05
trustwave.com https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551

Exploit
trustwave.com https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/

Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.