CVE-2015-3238: linux-pam
CVSS: 6.5v3.0MediumModified
AliasesMGASA-2015-0266SUSE-SU-2017:1398-1RHSA-2015:1640UBUNTU-CVE-2015-3238DEBIAN-CVE-2015-3238
Published 24-08-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-3238 is a medium (CVSS 6.5) vulnerability in linux-pam. EPSS estimates a 2.71% chance of exploitation in the next 30 days, higher than 85.7% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
2.71%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 24-08-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.71%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.71% on 19-09-2026
19-09-202619-10-2026
EPSS score2.71%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (trustwave.com)
Maturity: unknown
Exploit Reference (trustwave.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Suse9 products
- pam&distro=SUSE Linux Enterprise Desktop 12 SP1< 1.1.8-23.1
- pam&distro=SUSE Linux Enterprise Desktop 12 SP2< 1.1.8-23.1
- pam&distro=SUSE Linux Enterprise Server 12 SP1< 1.1.8-23.1
- pam&distro=SUSE Linux Enterprise Server 12 SP2< 1.1.8-23.1
- pam&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2< 1.1.8-23.1
Redhat3 products
- pam< 0:1.1.1-20.el6_7.1 | < 0:1.1.8-12.el7_1.1 | < 0:1.1.8-12.ael7b_1.1
- pam-debuginfo< 0:1.1.1-20.el6_7.1 | < 0:1.1.8-12.el7_1.1 | < 0:1.1.8-12.ael7b_1.1
- pam-devel< 0:1.1.1-20.el6_7.1 | < 0:1.1.8-12.el7_1.1 | < 0:1.1.8-12.ael7b_1.1
Mageia2 products
- pam< 1.1.8-7.2.mga4
- pam< 1.1.8-10.1.mga5
Debian1 product
- pam< 1.1.8-3.2
Linux-pam1 product
- linux-pam≤ 1.1.8
Oracle1 product
Ubuntu1 product
- pam< 1.1.8-1ubuntu2.1 | < 1.1.8-3.2ubuntu2
7 vendors · 18 products
References
31 links- lists.fedoraproject.org/pipermail/package-announce/2015-June/161249.htmlVendor AdvisoryX Refsource FEDORA
- www.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-011/?fid=6551X Refsource MISCExploit
- www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.htmlX Refsource CONFIRM
Show all 31 references
- lists.fedoraproject.org/pipermail/package-announce/2015-July/161350.htmlVendor AdvisoryX Refsource FEDORA
- bugzilla.suse.com/934920REPORT