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Scientific Linux Security Update : libssh2 on SL7.x x86_64 (20190806)

critical Nessus Plugin ID 128235

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Synopsis

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

Description

The following packages have been upgraded to a later upstream version:
libssh2 (1.8.0).

Security Fix(es) :

 - libssh2: Zero-byte allocation with a specially crafted SFTP packed leading to an out-of-bounds read (CVE-2019-3858)

 - libssh2: Out-of-bounds reads with specially crafted SSH packets (CVE-2019-3861)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?689fc3ee

Plugin Details

Severity: Critical

ID: 128235

File Name: sl_20190806_libssh2_on_SL7_x.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/27/2019

Updated: 5/1/2024

Supported Sensors: 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 Score Source: CVE-2019-3861

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:fermilab:scientific_linux:libssh2-debuginfo, p-cpe:/a:fermilab:scientific_linux:libssh2-docs, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:libssh2-devel, p-cpe:/a:fermilab:scientific_linux:libssh2

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: 3/21/2019

Reference Information

CVE: CVE-2019-3858, CVE-2019-3861