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Vulnerability of Squid cache: denial of service via SNMP

Synthesis of the vulnerability 

An attacker can send malicious SNMP packets to Squid cache, in order to trigger a denial of service.
Impacted software: Squid.
Severity of this computer vulnerability: 2/4.
Creation date: 29/10/2018.
Références of this announce: CERTFR-2018-AVI-518, SQUID-2018:5, VIGILANCE-VUL-27634.

Description of the vulnerability 

An attacker can send malicious SNMP packets to Squid cache, in order to trigger a denial of service.
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This computer weakness bulletin impacts software or systems such as Squid.

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

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 threat announce.

Solutions for this threat 

Squid cache: version 4.4.
The version 4.4 is fixed:
  http://www.squid-cache.org/

Squid cache: patch for SNMP.
A patch is available:
  Squid 3.5: http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-bc9786119f058a76ddf0625424bc33d36460b9a2.patch
  Squid 4: http://www.squid-cache.org/Versions/v4/changesets/squid-4-983c5c36e5f109512ed1af38a329d0b5d0967498.patch
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