Untrusted Search Path Affecting openssh package, versions <1:7.4p1-1
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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- published16 Jul 2026
- disclosed5 Jan 2017
Introduced: 5 Jan 2017
CVE-2016-10009 (opens in a new tab)How to fix?
Upgrade Echo:latest openssh to version 1:7.4p1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
References
- https://advisory.echohq.com/cve/CVE-2016-10009
- https://www.cve.org/CVERecord?id=CVE-2016-10009
- http://packetstormsecurity.com/files/140261/OpenSSH-Arbitrary-Library-Loading.html
- http://packetstormsecurity.com/files/173661/OpenSSH-Forwarded-SSH-Agent-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2023/Jul/31
- http://www.openwall.com/lists/oss-security/2016/12/19/2
- http://www.openwall.com/lists/oss-security/2023/07/19/9
- http://www.openwall.com/lists/oss-security/2023/07/20/1
- http://www.securityfocus.com/bid/94968
- http://www.securitytracker.com/id/1037490
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- https://access.redhat.com/errata/RHSA-2017:2029
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1009
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://github.com/openbsd/src/commit/9476ce1dd37d3c3218d5640b74c34c65e5f4efe5
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-17:01.openssh.asc
- https://security.netapp.com/advisory/ntap-20171130-0002/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- https://usn.ubuntu.com/3538-1/
- https://www.exploit-db.com/exploits/40963/
- https://www.openssh.com/txt/release-7.4