Oracle Linux 7 : libssh2 (ELSA-2019-1884)

critical Nessus Plugin ID 127606

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2019:1884 :

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

https://oss.oracle.com/pipermail/el-errata/2019-July/008928.html

Plugin Details

Severity: Critical

ID: 127606

File Name: oraclelinux_ELSA-2019-1884.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/12/2019

Updated: 1/6/2020

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, 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 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: p-cpe:/a:oracle:linux:libssh2, p-cpe:/a:oracle:linux:libssh2-devel, p-cpe:/a:oracle:linux:libssh2-docs, cpe:/o:oracle:linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 3/21/2019

Reference Information

CVE: CVE-2019-3862

RHSA: 2019:1884