Debian DSA-4905-1 : shibboleth-sp - security update

high Nessus Plugin ID 149038

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Synopsis

The remote Debian host is missing a security-related update.

Description

It was discovered that the Shibboleth Service Provider is prone to a NULL pointer dereference flaw in the cookie-based session recovery feature. A remote, unauthenticated attacker can take advantage of this flaw to cause a denial of service (crash in the shibd daemon/service).

For additional information please refer to the upstream advisory at https://shibboleth.net/community/advisories/secadv_20210426.txt

Solution

Upgrade the shibboleth-sp packages.

For the stable distribution (buster), this problem has been fixed in version 3.0.4+dfsg1-1+deb10u2.

Plugin Details

Severity: High

ID: 149038

File Name: debian_DSA-4905.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/28/2021

Updated: 1/12/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2021-31826

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:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:shibboleth-sp

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/27/2021

Vulnerability Publication Date: 4/27/2021

Reference Information

CVE: CVE-2021-31826

DSA: 4905

Detections

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