CVE Database›CVE-2016-10009

CVE-2016-10009

openssh: loading of untrusted PKCS#11 modules in ssh-agent

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Severity

Moderate

Red Hat Product Security

6.6

CVSS 3.0

Review impact separately from score.

Published · December 19, 2016

Updated · May 30, 2026

Description

It was found that ssh-agent could load PKCS#11 modules from arbitrary paths. An attacker having control of the forwarded agent-socket on the server, and the ability to write to the filesystem of the client host, could use this flaw to execute arbitrary code with the privileges of the user running ssh-agent.

Statement

In order to exploit this flaw, the attacker needs to have control of the forwarded agent-socket and the ability to write to the filesystem of the host running ssh-agent. Because of this restriction for successful exploitation, this issue has been rated as having Moderate security impact. A future update may address this flaw.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 6.6
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 · 4.6
AV:N/AC:H/Au:S/C:P/I:P/A:P

CWE not specified