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Squid Proxy Cache Security Update Advisory SQUID-2019:1

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

4.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

Squid is prone to a denial of service vulnerability due to incorrect string termination the cachemgr.cgi which may access unallocated memory.

Insight

Insight

This problem allows a remote attacker with access to the Squid manager API to perform a denial of service on other clients. This problem is limited to the cachemgr CGI binary. Web servers which run per-client instances of CGI tools are affected by the issue, but the denial of service is not able to affect other clients.

Affected Software

Affected Software

Squid versions 4.x - 4.7.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 4.8 or later.

Common Vulnerabilities and Exposures (CVE)