Debian DLA-1357-1 : gunicorn security update

high Nessus Plugin ID 109217

Synopsis

The remote Debian host is missing a security update.

Description

It was discovered that there was an issue in the gunicorn HTTP server for Python applicatons where CRLF sequences could result in an attacker tricking the server into returning arbitrary headers.

For more information and background, please see :

https://epadillas.github.io/2018/04/02/http-header-splitting-in-gunico rn-19.4.5

For Debian 7 'Wheezy', this issue has been fixed in gunicorn version 0.14.5-3+deb7u2.

We recommend that you upgrade your gunicorn packages.

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 gunicorn package.

See Also

http://www.nessus.org/u?6ab7fbef

https://lists.debian.org/debian-lts-announce/2018/04/msg00022.html

https://packages.debian.org/source/wheezy/gunicorn

Plugin Details

Severity: High

ID: 109217

File Name: debian_DLA-1357.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/23/2018

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:gunicorn, cpe:/o:debian:debian_linux:7.0

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

Patch Publication Date: 4/22/2018

Reference Information

CVE: CVE-2018-1000164