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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | openssh | 2017-10-03 11:00 | ALAS-2017-898 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 4.6 | AV:N/AC:H/Au:S/C:P/I:P/A:P |
Amazon Linux | CVSSv3 | 6.6 | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv2 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
NVD | CVSSv3 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |