CVE-2016-10009 in the critical feed json
Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PK…
published 2017-01-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1206
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 37.4%
- EPSS 37.4% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- openssh Debian 14, Debian 13, Debian 12 1:7.4p1-1
debian advisories DEBIAN-CVE-2016-10009
- openssh Ubuntu 14.04 LTS 1:6.6p1-2ubuntu2.10
- openssh Ubuntu 16.04 LTS 1:7.2p2-4ubuntu2.4
ubuntu advisories UBUNTU-CVE-2016-10009
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- openssh RHEL 7 7.4p1-11.el7
- openssh-cavs RHEL 7 7.4p1-11.el7
- openssh-ldap RHEL 7 7.4p1-11.el7
- openssh-keycat RHEL 7 7.4p1-11.el7
- openssh-server RHEL 7 7.4p1-11.el7
- openssh-askpass RHEL 7 7.4p1-11.el7
- openssh-clients RHEL 7 7.4p1-11.el7
- pam_ssh_agent_auth RHEL 7 0.10.3-1.11.el7
red hat advisories RHSA-2017:2029
- openssh-openssl1 SLES 11-SECURITY 6.6p1-18.1
- openssh SLES 12 SP1, SLED 12 SP1, SLES for SAP 12 SP1 +2 more 6.6p1-54.7.1
- openssh-askpass-gnome SLES 12 SP1, SLED 12 SP1, SLES for SAP 12 SP1 +2 more 6.6p1-54.7.1
- openssh SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 +3 more 6.2p2-0.40.1
- openssh-askpass-gnome SLES 11 SP3-TERADATA, SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 +3 more 6.2p2-0.40.3
- openssh SLES for SAP 11 SP4, SLES 11 SP4 6.6p1-35.1
- openssh-askpass-gnome SLES for SAP 11 SP4, SLES 11 SP4 6.6p1-35.4
- openssh SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 7.2p2-66.1
suse advisories SUSE-SU-2017:1661-1SUSE-SU-2017:0607-1SUSE-SU-2017:0607-2SUSE-SU-2017:0607-3SUSE-SU-2017:0606-1SUSE-SU-2017:0603-1
- openssh openSUSE Tumbleweed 8.4p1-7.4
opensuse advisories openSUSE-SU-2024:11124-1
- openssh Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 7.4_p1-r0
- openssh Alpine 3.3 7.2_p2-r3
- openssh Alpine 3.4 7.2_p2-r4
- openssh Alpine 3.7 7.5_p1-r8
alpine advisories ALPINE-CVE-2016-10009
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- openssh Arch Linux 7.4p1-1
arch linux advisories AVG-110
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-10009 updated cvss 6.6
openssh: loading of untrusted PKCS#11 modules in ssh-agent
-
Red Hat Enterprise Linux 4 openssh Red Hat Enterprise Linux 5 openssh Red Hat Enterprise Linux 6 openssh, openssh-ldap, openssh-server, openssh-askpass, openssh-clients, pam_ssh_agent_authaffected: no fix planned “Will not fix”
-
Red Hat Enterprise Linux Client (v. 7) openssh 7.4p1-11.el7, openssh-keycat 7.4p1-11.el7, openssh-server 7.4p1-11.el7, openssh-askpass 7.4p1-11.el7, openssh-clients 7.4p1-11.el7 Red Hat Enterprise Linux Client Optional (v. 7) openssh-cavs 7.4p1-11.el7, openssh-ldap 7.4p1-11.el7, pam_ssh_agent_auth 0.10.3-1.11.el7, openssh-server-sysvinit 7.4p1-11.el7 Red Hat Enterprise Linux ComputeNode (v. 7) openssh 7.4p1-11.el7, openssh-keycat 7.4p1-11.el7, openssh-server 7.4p1-11.el7, openssh-clients 7.4p1-11.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) openssh-cavs 7.4p1-11.el7, openssh-ldap 7.4p1-11.el7, openssh-askpass 7.4p1-11.el7, pam_ssh_agent_auth 0.10.3-1.11.el7, openssh-server-sysvinit 7.4p1-11.el7 Red Hat Enterprise Linux Server (v. 7) openssh 7.4p1-11.el7, openssh-keycat 7.4p1-11.el7, openssh-server 7.4p1-11.el7, openssh-askpass 7.4p1-11.el7, openssh-clients 7.4p1-11.el7 Red Hat Enterprise Linux Server Optional (v. 7) openssh-cavs 7.4p1-11.el7, openssh-ldap 7.4p1-11.el7, pam_ssh_agent_auth 0.10.3-1.11.el7, openssh-server-sysvinit 7.4p1-11.el7fixed: vendor fix RHSA-2017:2029
+2 more productsfewer
Red Hat Enterprise Linux Workstation (v. 7) openssh 7.4p1-11.el7, openssh-keycat 7.4p1-11.el7, openssh-server 7.4p1-11.el7, openssh-askpass 7.4p1-11.el7, openssh-clients 7.4p1-11.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) openssh-cavs 7.4p1-11.el7, openssh-ldap 7.4p1-11.el7, pam_ssh_agent_auth 0.10.3-1.11.el7, openssh-server-sysvinit 7.4p1-11.el7
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-25-105-08 updated cvss 6.3
ABB M2M Gateway
-
ABB M2M Gateway >=4.1.2, <=5.0.3, >=5.0.1, <=5.0.3affected: mitigation
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-22-349-21 updated cvss 7.3
Siemens SCALANCE X-200RNA Switch Devices
-
Siemens SCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2) <V3.2.7 Siemens SCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2) <V3.2.7 Siemens SCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3) <V3.2.7 Siemens SCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3) <V3.2.7 Siemens SCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3) <V3.2.7affected: fixed in V3.2.7, mitigation support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Timeline
- First public exploit (EDB-40963)
- Published
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
37.43% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-40963 OpenSSH < 7.4 - agent Protocol Arbitrary Library Loading remote, 2016-12-23
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-426 Untrusted Search Path
References
-
github.com
/openbsd/src/commit/9476ce1dd37d3c3218d5640b74c34c65e5f4efe5
patch
-
exploit-db.com
/exploits/40963/
exploit
-
security.freebsd.org
/advisories/FreeBSD-SA-17:01.openssh.asc
vendor-advisory
-
usn.ubuntu.com
/3538-1/
vendor-advisory
-
access.redhat.com
/errata/RHSA-2017:2029
vendor-advisory
- security.netapp.com /advisory/ntap-20171130-0002/
-
securityfocus.com
/bid/94968
vdb-entry
-
openwall.com
/lists/oss-security/2016/12/19/2
mailing-list, release-notes
-
securitytracker.com
/id/1037490
vdb-entry
- support.hpe.com /hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- slackware.com /security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- packetstormsecurity.com /files/140261/OpenSSH-Arbitrary-Library-Loading.html
-
lists.debian.org
/debian-lts-announce/2018/09/msg00010.html
mailing-list
- openssh.com /txt/release-7.4
- bugs.chromium.org /p/project-zero/issues/detail?id=1009
- cert-portal.siemens.com /productcert/pdf/ssa-412672.pdf
-
openwall.com
/lists/oss-security/2023/07/19/9
mailing-list
-
seclists.org
/fulldisclosure/2023/Jul/31
mailing-list
-
openwall.com
/lists/oss-security/2023/07/20/1
mailing-list
- packetstormsecurity.com /files/173661/OpenSSH-Forwarded-SSH-Agent-Remote-Code-Execution.html
Sources
- CVE List CVE-2016-10009
- NVD CVE-2016-10009
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.