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.
References (13)
Core 13
Core References
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-1640.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/06/25/13
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1228571
Exploit x_refsource_misc
https://www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201605-05
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2935-2
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2935-3
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2935-1
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/75428
Scores
CVSS v3
6.5
EPSS
0.0271
EPSS Percentile
84.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Details
CWE
CWE-200
Status
published
Products (2)
linux-pam/linux-pam
< 1.1.8
oracle/sparc-opl_service_processor
< 1121
Published
Aug 24, 2015
Tracked Since
Feb 18, 2026