Home/CVE/The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly
CVE

CVE-2015-3238

The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly

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.

MEDIUM · CVSS 6.5 EPSS 0.0303
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

2
linux-pam<= 1.1.8
oracle sparc-opl service processor<= 1121
⚠

Public Exploits & PoCs

2
pocwww.trustwave.com · ?fid=6551www.trustwave.com
pocwww.trustwave.com · Username-Enumeration-against-OpenSSH-SELinux-with-CVE-201...www.trustwave.com
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2015 · 02:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10405-1
suse-csafSUSE-SU-2017:2699-1
suse-csafSUSE-SU-2017:2700-1
suse-csafSUSE-SU-2017:1398-1
suse-csafSUSE-SU-2016:1645-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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.htmlVendor 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
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