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Vulnerability of F5 BIG-IP: information disclosure via HTTP Headers Prepended Whitespace

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via HTTP Headers Prepended Whitespace of F5 BIG-IP, in order to obtain sensitive information.
Vulnerable software: BIG-IP Hardware, TMOS.
Severity of this announce: 2/4.
Creation date: 27/11/2019.
Références of this computer vulnerability: CERTFR-2019-AVI-593, K39794285, VIGILANCE-VUL-30997.

Description of the vulnerability 

An attacker can bypass access restrictions to data via HTTP Headers Prepended Whitespace of F5 BIG-IP, in order to obtain sensitive information.
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This security weakness impacts software or systems such as BIG-IP Hardware, TMOS.

Our Vigil@nce team determined that the severity of this threat bulletin is medium.

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

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

F5 BIG-IP: fixed versions for HTTP Headers Prepended Whitespace.
Fixed versions are indicated in information sources.
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