Debian DSA-4216-1 : prosody - security update

high Nessus Plugin ID 110317

Synopsis

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

Description

It was discovered that Prosody, a lightweight Jabber/XMPP server, does not properly validate client-provided parameters during XMPP stream restarts, allowing authenticated users to override the realm associated with their session, potentially bypassing security policies and allowing impersonation.

Details can be found in the upstream advisory at https://prosody.im/security/advisory_20180531/

Solution

Upgrade the prosody packages.

For the oldstable distribution (jessie), this problem has been fixed in version 0.9.7-2+deb8u4.

For the stable distribution (stretch), this problem has been fixed in version 0.9.12-2+deb9u2.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900524

https://prosody.im/security/advisory_20180531/

https://security-tracker.debian.org/tracker/source-package/prosody

https://packages.debian.org/source/jessie/prosody

https://packages.debian.org/source/stretch/prosody

https://www.debian.org/security/2018/dsa-4216

Plugin Details

Severity: High

ID: 110317

File Name: debian_DSA-4216.nasl

Version: 1.5

Type: local

Agent: unix

Published: 6/5/2018

Updated: 9/25/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2018-10847

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:prosody, cpe:/o:debian:debian_linux:9.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2018

Reference Information

CVE: CVE-2018-10847

DSA: 4216