Detections
Analytics

Atlassian Confluence 7.19.23 < 7.19.25 / 8.5.x < 8.5.12 / 8.9.x < 8.9.4 (CONFSERVER-96102)

high Nessus Plugin ID 202696

Synopsis

The remote Atlassian Confluence host is missing a security update.

Description

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-96102 advisory.

 - When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package. (CVE-2021-35517)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Atlassian Confluence version 7.19.25, 8.5.12, 8.9.4 or later.

See Also

https://jira.atlassian.com/browse/CONFSERVER-96102

Plugin Details

Severity: High

ID: 202696

File Name: confluence_confserver-96102.nasl

Version: 1.1

Type: combined

Agent: windows, macosx, unix

Family: CGI abuses

Published: 7/19/2024

Updated: 7/19/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Enable CGI Scanning: true

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-2021-35517

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: cpe:/a:atlassian:confluence

Required KB Items: installed_sw/Atlassian Confluence

Exploit Ease: No known exploits are available

Patch Publication Date: 7/3/2024

Vulnerability Publication Date: 7/13/2021

Reference Information

CVE: CVE-2021-35517

IAVA: 2024-A-0412