RHEL 7 : mercurial (RHSA-2019:2276)

critical Nessus Plugin ID 127702

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2276 advisory.

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

Security Fix(es):

* mercurial: Buffer underflow in mpatch.c:mpatch_apply() (CVE-2018-13347)

* mercurial: HTTP server permissions bypass (CVE-2018-1000132)

* mercurial: Missing check for fragment start position in mpatch.c:mpatch_apply() (CVE-2018-13346)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL mercurial package based on the guidance in RHSA-2019:2276.

Plugin Details

Severity: Critical

ID: 127702

File Name: redhat-RHSA-2019-2276.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/12/2019

Updated: 11/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

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-2018-13347

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:emacs-mercurial, p-cpe:/a:redhat:enterprise_linux:emacs-mercurial-el, p-cpe:/a:redhat:enterprise_linux:mercurial-hgk, p-cpe:/a:redhat:enterprise_linux:mercurial

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2019

Vulnerability Publication Date: 3/14/2018

Reference Information

CVE: CVE-2018-1000132, CVE-2018-13346, CVE-2018-13347

CWE: 125, 20, 787

RHSA: 2019:2276

Detections

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