Detections
Analytics

Oracle Linux 7 : libssh2 (ELSA-2019-0679)

high Nessus Plugin ID 123483

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-0679 advisory.

 - fix integer overflow in keyboard interactive handling that allows out-of-bounds writes (CVE-2019-3863)
 - fix integer overflow in SSH packet processing channel resulting in out of bounds write (CVE-2019-3857)
 - fix integer overflow in keyboard interactive handling resulting in out of bounds write (CVE-2019-3856)

Tenable has extracted the preceding description block directly from the Oracle 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 affected libssh2, libssh2-devel and / or libssh2-docs packages.

See Also

https://linux.oracle.com/errata/ELSA-2019-0679.html

Plugin Details

Severity: High

ID: 123483

File Name: oraclelinux_ELSA-2019-0679.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/29/2019

Updated: 11/1/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2019-3855

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2019-3863

Vulnerability Information

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

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: 3/28/2019

Vulnerability Publication Date: 3/21/2019

Reference Information

CVE: CVE-2019-3855, CVE-2019-3856, CVE-2019-3857, CVE-2019-3863

RHSA: 2019:0679