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F5 Networks: K90011301 (CVE-2019-3857): libssh2 vulnerabilities CVE-2019-3856, CVE-2019-3857, and CVE-2019-3863

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F5 Networks: K90011301 (CVE-2019-3857): libssh2 vulnerabilities CVE-2019-3856, CVE-2019-3857, and CVE-2019-3863

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
03/19/2019
Created
09/22/2020
Added
09/18/2020
Modified
11/02/2022

Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

Solution(s)

  • f5-big-ip-upgrade-latest

References

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