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f5F5F5:K52868493
HistoryOct 18, 2018 - 12:00 a.m.

K52868493 : libssh vulnerability CVE-2018-10933

2018-10-1800:00:00
my.f5.com
34

AI Score

8.7

Confidence

High

EPSS

0.136

Percentile

95.7%

Security Advisory Description

A vulnerability was found in libssh’s server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access. (CVE-2018-10933)

Impact

There is no impact. F5 products are not vulnerable to CVE-2018-10933.

Important:

- There are security scanners that will report the BIG-IP system as vulnerable; this is due to “banner grabbing.” This is a false positive.
- There are log messages, which appear only in the sshplugin debug log, that indicate a shell has been spawned. These messages are incorrect.
- There is no security exposure of SSH virtual server pool members made possible by this issue.