GLSA-202003-19 : PPP: Buffer overflow

critical Nessus Plugin ID 134596

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202003-19 (PPP: Buffer overflow)

It was discovered that bounds check in PPP for the rhostname was improperly constructed in the EAP request and response functions.
Impact :

A remote attacker, by sending specially crafted authentication data, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All PPP users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-dialup/ppp-2.4.8'

Plugin Details

Severity: Critical

ID: 134596

File Name: gentoo_GLSA-202003-19.nasl

Version: 1.5

Type: local

Family: Gentoo Local Security Checks

Published: 3/16/2020

Updated: 3/22/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2020-8597

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:gentoo:linux:ppp, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/15/2020

Vulnerability Publication Date: 2/3/2020

Reference Information

CVE: CVE-2020-8597

GLSA: 202003-19

Detections

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