Debian DLA-2384-1 : yaws security update

critical Nessus Plugin ID 140810

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Synopsis

The remote Debian host is missing a security update.

Description

Two issues have been found in yaws, a high performance HTTP 1.1 webserver written in Erlang.

CVE-2020-24379 Reject external resource requests in DAV in order to avoid XML External Entity (XXE) attackes.

CVE-2020-24916 Sanitize CGI executable in order to avoid command injection via CGI requests.

For Debian 9 stretch, these problems have been fixed in version 2.0.4+dfsg-1+deb9u1.

We recommend that you upgrade your yaws packages.

For the detailed security status of yaws please refer to its security tracker page at: https://security-tracker.debian.org/tracker/yaws

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: Critical

ID: 140810

File Name: debian_DLA-2384.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/28/2020

Updated: 2/20/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2020-24916

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:debian:debian_linux:yaws-mail, p-cpe:/a:debian:debian_linux:yaws-doc, p-cpe:/a:debian:debian_linux:erlang-yaws, p-cpe:/a:debian:debian_linux:erlang-yapp, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:yaws-chat, p-cpe:/a:debian:debian_linux:yaws, p-cpe:/a:debian:debian_linux:yaws-yapp, p-cpe:/a:debian:debian_linux:yaws-wiki

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: 9/26/2020

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-24379, CVE-2020-24916

Detections

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