Rocky Linux 8 [CIQ] Security Update: libecap / libecap-debuginfo / libecap-debugsource / libecap-devel Multiple Vulnerabilities (crlsa-2020_4743)

critical Nessus Plugin ID 357553

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2020_4743 advisory.

* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)

* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)

* squid: Improper input validation in URI processor (CVE-2019-12523)

* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)

* squid: Heap overflow issue in URN processing (CVE-2019-12526)

* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)

* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)

* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)

* squid: Buffer overflow in URI processor (CVE-2019-18676)

* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)

* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)

* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)

* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)

* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)

* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)

* squid: DoS in TLS handshake (CVE-2020-14058)

* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)

* squid: Improper input validation could result in a DoS (CVE-2020-24606)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2020_4743.

See Also

https://access.redhat.com/errata/RHSA-2020:4743

https://bugzilla.redhat.com/show_bug.cgi?id=1730523

https://bugzilla.redhat.com/show_bug.cgi?id=1730528

https://bugzilla.redhat.com/show_bug.cgi?id=1770349

https://bugzilla.redhat.com/show_bug.cgi?id=1770356

https://bugzilla.redhat.com/show_bug.cgi?id=1770360

https://bugzilla.redhat.com/show_bug.cgi?id=1770365

https://bugzilla.redhat.com/show_bug.cgi?id=1770371

https://bugzilla.redhat.com/show_bug.cgi?id=1770375

https://bugzilla.redhat.com/show_bug.cgi?id=1798534

https://bugzilla.redhat.com/show_bug.cgi?id=1798540

https://bugzilla.redhat.com/show_bug.cgi?id=1798552

https://bugzilla.redhat.com/show_bug.cgi?id=1817121

https://bugzilla.redhat.com/show_bug.cgi?id=1827558

https://bugzilla.redhat.com/show_bug.cgi?id=1827562

https://bugzilla.redhat.com/show_bug.cgi?id=1827570

https://bugzilla.redhat.com/show_bug.cgi?id=1852550

https://bugzilla.redhat.com/show_bug.cgi?id=1852554

https://bugzilla.redhat.com/show_bug.cgi?id=1871705

https://errata.build.resf.org/RLSA-2020:4743

http://www.nessus.org/u?014e565e

http://www.nessus.org/u?386a5aa3

Plugin Details

Severity: Critical

ID: 357553

File Name: ciq_rocky_linux_8_crlsa-2020_4743.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.19

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-8450

CVSS v3

Risk Factor: Critical

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

CVSS Score Source: CVE-2019-12526

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2020

Vulnerability Publication Date: 7/11/2019

Reference Information

CVE: CVE-2019-12520, CVE-2019-12521, CVE-2019-12523, CVE-2019-12524, CVE-2019-12526, CVE-2019-12528, CVE-2019-12529, CVE-2019-12854, CVE-2019-18676, CVE-2019-18677, CVE-2019-18678, CVE-2019-18679, CVE-2019-18860, CVE-2020-14058, CVE-2020-15049, CVE-2020-24606, CVE-2020-8449, CVE-2020-8450