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Vulnerability of F5 BIG-IP: Man-in-the-Middle via SSH Server Key Size

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle via SSH Server Key Size on F5 BIG-IP, in order to read or write data in the session.
Impacted products: BIG-IP Hardware, TMOS.
Severity of this bulletin: 1/4.
Creation date: 26/08/2020.
Références of this threat: CERTFR-2020-AVI-533, CERTFR-2020-AVI-571, CVE-2020-5917, K43404629, VIGILANCE-VUL-33159.

Description of the vulnerability 

An attacker can act as a Man-in-the-Middle via SSH Server Key Size on F5 BIG-IP, in order to read or write data in the session.
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This computer threat bulletin impacts software or systems such as BIG-IP Hardware, TMOS.

Our Vigil@nce team determined that the severity of this security threat is low.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

F5 BIG-IP: fixed versions for SSH Server Key Size.
Fixed versions are indicated in information sources.
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