CVE-2015-3238
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.1.8-3.2 |
| sid | Fixed | 1.1.8-3.2 |
| forky | Fixed | 1.1.8-3.2 |
| bullseye | Fixed | 1.1.8-3.2 |
| bookworm | Fixed | 1.1.8-3.2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| linux-pam | linux-pam | {"endIncluding":"1.1.8"} | |
| oracle | sparc-opl_service_processor | {"endIncluding":"1121"} | |
References
- https://www.suse.com/security/cve/CVE-2015-3238.html
- 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
- 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
- https://www.trustwave.com/Resources/SpiderLabs-Blog/Username-Enumeration-against-OpenSSH-SELinux-with-CVE-2015-3238/
- https://security-tracker.debian.org/tracker/CVE-2015-3238
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.