Information disclosure in Linux-Pam
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 access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.027 (85.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2015-1640.html (vendor-advisory, Vendor Advisory)
- www.openwall.com/lists/oss-security/2015/06/25/13 (mailing-list)
- bugzilla.redhat.com/show_bug.cgi
- www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/ (Exploit)
- security.gentoo.org/glsa/201605-05 (vendor-advisory)
- www.ubuntu.com/usn/USN-2935-2 (vendor-advisory)
- www.ubuntu.com/usn/USN-2935-3 (vendor-advisory)
- www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- www.ubuntu.com/usn/USN-2935-1 (vendor-advisory)
Frequently asked questions
- What is CVE-2015-3238?
- CVE-2015-3238 is a medium-severity vulnerability in Linux-Pam, classified under Information Disclosure. CVSS score: 6.5/10. Published 2015-08-24.
- How severe is CVE-2015-3238?
- Medium severity. CVSS v3 base score is 6.5 out of 10.