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CentOS 7 : libssh2 (CESA-2019:1884)

critical Nessus Plugin ID 127472

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Synopsis

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

Description

An update for libssh2 is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

The libssh2 packages provide a library that implements the SSH2 protocol.

Security Fix(es) :

* libssh2: Out-of-bounds memory comparison with specially crafted message channel request (CVE-2019-3862)

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.

Solution

Update the affected libssh2 packages.

See Also

http://www.nessus.org/u?e2d553cb

Plugin Details

Severity: Critical

ID: 127472

File Name: centos_RHSA-2019-1884.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/12/2019

Updated: 1/6/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2019-3862

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libssh2-devel, p-cpe:/a:centos:centos:libssh2, p-cpe:/a:centos:centos:libssh2-docs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/31/2019

Vulnerability Publication Date: 3/21/2019

Reference Information

CVE: CVE-2019-3862

RHSA: 2019:1884