U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2015-3238 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
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.html Vendor 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/?fid=6551 Exploit 
https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/ Exploit 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-3238
NVD Published Date:
08/24/2015
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.