Access Restriction Bypass Affecting pam_ssh_agent_auth package, versions <0:0.9.3-9.31.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed1 May 2016
Introduced: 1 May 2016
CVE-2015-8325 (opens in a new tab)How to fix?
Upgrade Oracle:7 pam_ssh_agent_auth to version 0:0.9.3-9.31.el7 or higher.
This issue was patched in ELSA-2016-2588.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pam_ssh_agent_auth package and not the pam_ssh_agent_auth package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2015-8325.html
- https://linux.oracle.com/errata/ELSA-2016-2588.html
- https://linux.oracle.com/errata/ELSA-2017-0641.html
- 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
- https://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8325.html
- https://security-tracker.debian.org/tracker/CVE-2015-8325
- https://security.gentoo.org/glsa/201612-18
- https://security.netapp.com/advisory/ntap-20180628-0001/