K13322484 : libssh2 vulnerability CVE-2019-13115

Security Advisory Description

In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855. (CVE-2019-13115)

Impact

Traffix SDC

A local attacker with access to the affected system can exploit this vulnerability and execute arbitrary code.

BIG-IP, BIG-IQ, Enterprise Manager, and F5 iWorkflow

There is no impact; these F5 products are not affected by this vulnerability.