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CVE-2015-3238

Published: Aug 24, 2015Updated: May 6, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
2.7%
Top 16.0%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-200

Affected Products

linux-pamlinux-pam
Library
Operating Systems / linux-distro
sparc-opl service processororacle
On-prem
Databases / relational
n/an/a
linux-pamoss-projectOperating Systems
oraclecommercialUSDatabasesaka oracle corp.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

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
lists.fedoraproject.org
http://rhn.redhat.com/errata/RHSA-2015-1640.html
rhn.redhat.com
and 10 more references View all →

Timeline

Published
Aug 24, 2015
Last Updated
May 6, 2026

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