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FreeBSD : sympa -- Denial of service caused by malformed CSRF token (9908a1cc-35ad-424d-be0b-7e56abd5931a)

high Nessus Plugin ID 136941

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Synopsis

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

Description

Javier Moreno discovered a vulnerability in Sympa web interface that can cause denial of service (DoS) attack.

By submitting requests with malformed parameters, this flaw allows to create junk files in Sympa's directory for temporary files. And particularly by tampering token to prevent CSRF, it allows to originate exessive notification messages to listmasters.

Solution

Update the affected package.

See Also

https://sympa-community.github.io/security/2020-001.html

http://www.nessus.org/u?53884a0c

Plugin Details

Severity: High

ID: 136941

File Name: freebsd_pkg_9908a1cc35ad424dbe0b7e56abd5931a.nasl

Version: 1.3

Type: local

Published: 5/28/2020

Updated: 3/8/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-9369

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:sympa, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2020

Vulnerability Publication Date: 2/24/2020

Reference Information

CVE: CVE-2020-9369