Vulnerability in OpenBSD OpenSSH
CVE-2015-8325
The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment files in user home directories, allows local users to gain privileges by triggering a crafted environment for the /bin/login program, as demonstrated by an LD_PRELOAD environment variable.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- OpenBSD OpenSSH
- Canonical Ubuntu Core — versions 15.04
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Canonical Ubuntu Touch — versions 15.04
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/86187 (vdb-entry)
- www.debian.org/security/2016/dsa-3550 (vendor-advisory)
- people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8325.html
- bugzilla.redhat.com/show_bug.cgi
- rhn.redhat.com/errata/RHSA-2017-0641.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-2588.html (vendor-advisory)
- www.securitytracker.com/id/1036487 (vdb-entry)
- anongit.mindrot.org/openssh.git/commit/
- security-tracker.debian.org/tracker/CVE-2015-8325
- security.gentoo.org/glsa/201612-18 (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8325?
- CVE-2015-8325 is a high-severity vulnerability in OpenBSD OpenSSH, classified under CWE-264. CVSS score: 7.8/10. Published 2016-05-01.
- How severe is CVE-2015-8325?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2015-8325 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.