CentOS 7 : squid (CESA-2020:2040)

High Nessus Plugin ID 136774


The remote CentOS host is missing one or more security updates.


An update for squid is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.

Security Fix(es) :

* squid: improper check for new member in ESIExpression::Evaluate allows for stack-based buffer overflow (CVE-2019-12519)

* squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)

* squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


Update the affected squid packages.

See Also


Plugin Details

Severity: High

ID: 136774

File Name: centos_RHSA-2020-2040.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/05/22

Updated: 2020/05/26

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2019-12519

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:squid, p-cpe:/a:centos:centos:squid-migration-script, p-cpe:/a:centos:centos:squid-sysvinit, cpe:/o:centos:centos:7

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/05/21

Vulnerability Publication Date: 2019/07/11

Reference Information

CVE: CVE-2019-12519, CVE-2019-12525, CVE-2020-11945

RHSA: 2020:2040