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RHEL 6 / 7 : mercurial (RHSA-2017:1576)

high Nessus Plugin ID 101077

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for mercurial is now available for Red Hat Enterprise Linux 6 and 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.

Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects.

Security Fix(es) :

* A flaw was found in the way 'hg serve --stdio' command in Mercurial handled command-line options. A remote, authenticated attacker could use this flaw to execute arbitrary code on the Mercurial server by using specially crafted command-line options. (CVE-2017-9462)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2017:1576

https://access.redhat.com/security/cve/cve-2017-9462

Plugin Details

Severity: High

ID: 101077

File Name: redhat-RHSA-2017-1576.nasl

Version: 3.14

Type: local

Agent: unix

Published: 6/28/2017

Updated: 10/24/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7.4

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:emacs-mercurial, p-cpe:/a:redhat:enterprise_linux:emacs-mercurial-el, p-cpe:/a:redhat:enterprise_linux:mercurial, p-cpe:/a:redhat:enterprise_linux:mercurial-debuginfo, p-cpe:/a:redhat:enterprise_linux:mercurial-hgk, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.3, cpe:/o:redhat:enterprise_linux:7.4, cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:enterprise_linux:7.6, cpe:/o:redhat:enterprise_linux:7.7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/27/2017

Vulnerability Publication Date: 6/6/2017

Exploitable With

Metasploit (Mercurial Custom hg-ssh Wrapper Remote Code Exec)

Reference Information

CVE: CVE-2017-9462

RHSA: 2017:1576