Oracle Linux 7 : tigervnc (ELSA-2020-3875)

high Nessus Plugin ID 141215

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-2020-3875 advisory.

[1.8.0-21]
- Add upstream patch needed because of previous security fixes Resolves: bz#1826822

[1.8.0-20]
- Fix stack buffer overflow in CMsgReader::readSetCursor Resolves: bz#1791773

- Fix heap buffer overflow in DecodeManager::decodeRect Resolves: bz#1791768

- Fix heap buffer overflow in TightDecoder::FilterGradient Resolves: bz#1791763

- Fix heap-based buffer overflow triggered from CopyRectDecoder Resolves: bz#1791747

- Fix stack use-after-return due to incorrect usage of stack memory in ZRLEDecoder Resolves: bz#1791759

- Add option to fallback to empty port when the specified one is taken Resolves: bz#1791996

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 packages.

See Also

https://linux.oracle.com/errata/ELSA-2020-3875.html

Plugin Details

Severity: High

ID: 141215

File Name: oraclelinux_ELSA-2020-3875.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/7/2020

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

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

CVSS Score Source: CVE-2019-15695

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:tigervnc-server-applet, p-cpe:/a:oracle:linux:tigervnc-server-minimal, p-cpe:/a:oracle:linux:tigervnc, p-cpe:/a:oracle:linux:tigervnc-icons, p-cpe:/a:oracle:linux:tigervnc-server, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:tigervnc-license, p-cpe:/a:oracle:linux:tigervnc-server-module

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/6/2020

Vulnerability Publication Date: 12/26/2019

Reference Information

CVE: CVE-2019-15691, CVE-2019-15692, CVE-2019-15693, CVE-2019-15694, CVE-2019-15695