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GLSA-201903-09 : GNU C Library: Arbitrary descriptor allocation

high Nessus Plugin ID 122831

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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-201903-09 (GNU C Library: Arbitrary descriptor allocation)

 A vulnerability was discovered in the GNU C Library functions xdr_bytes and xdr_string.
 Impact :

 A remote attacker, by sending a crafted UDP packet, could cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All GNU C Library users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=sys-libs/glibc-2.26.0'

See Also

https://security.gentoo.org/glsa/201903-09

Plugin Details

Severity: High

ID: 122831

File Name: gentoo_GLSA-201903-09.nasl

Version: 1.3

Type: local

Published: 3/14/2019

Updated: 6/14/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2018-19591

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:glibc

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: 3/14/2019

Vulnerability Publication Date: 12/4/2018

Reference Information

CVE: CVE-2018-19591

GLSA: 201903-09