CVE-2015-8325
HIGH severity · CVSS 7.8 · CWE-264
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://rhn.redhat.com/errata/RHSA-2016-2588.html
- http://rhn.redhat.com/errata/RHSA-2017-0641.html
- http://www.debian.org/security/2016/dsa-3550
- http://www.securityfocus.com/bid/86187
- http://www.securitytracker.com/id/1036487
- https://anongit.mindrot.org/openssh.git/commit/?id=85bdcd7c92fe7ff133bbc4e10a65c91810f88755
- https://bugzilla.redhat.com/show_bug.cgi?id=1328012
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf