CVE-2015-3238

6.5 MEDIUM
Published: August 24, 2015 Modified: May 06, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1640.html
Source: secalert@redhat.com
Vendor Advisory
http://www.securityfocus.com/bid/75428
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2935-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2935-2
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2935-3
Source: secalert@redhat.com
http://rhn.redhat.com/errata/RHSA-2015-1640.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/06/25/13
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/75428
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2935-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2935-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2935-3
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1228571
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201605-05
Source: af854a3a-2127-422b-91ae-364da2661108

26 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
3.0%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux-pam oracle