MediaWiki up to 1.27.3/1.28.2/1.29.1 Headline ID access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in MediaWiki up to 1.27.3/1.28.2/1.29.1. This impacts an unknown function of the component Headline Handler. Such manipulation of the argument ID leads to access control. This vulnerability is listed as CVE-2017-8812. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.27.3/1.28.2/1.29.1 (Content Management System). It has been rated as problematic. Affected by this issue is an unknown part of the component Headline Handler. The manipulation of the argument id with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity. CVE summarizes:

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline.

The bug was discovered 11/14/2017. The weakness was presented 11/15/2017 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability is handled as CVE-2017-8812 since 05/07/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104693 (FreeBSD : mediawiki -- multiple vulnerabilities (298829e2-ccce-11e7-92e4-000c29649f92)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176216 (Debian Security Update for mediawiki (DSA 4036-1)).

Upgrading to version 1.27.4, 1.28.3 or 1.29.2 eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104693). See VDB-102879, VDB-109444, VDB-109445 and VDB-109446 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104693
Nessus Name: FreeBSD : mediawiki -- multiple vulnerabilities (298829e2-ccce-11e7-92e4-000c29649f92)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 863854
OpenVAS Name: MediaWiki Multiple Vulnerabilities - November17 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MediaWiki 1.27.4/1.28.3/1.29.2

Timelineinfo

05/07/2017 🔍
11/14/2017 +191 days 🔍
11/15/2017 +1 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
11/19/2017 +3 days 🔍
11/20/2017 +1 days 🔍
01/23/2021 +1160 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: lists.wikimedia.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8812 (🔍)
GCVE (CVE): GCVE-0-2017-8812
GCVE (VulDB): GCVE-100-109448

OVAL: 🔍

SecurityTracker: 1039812

See also: 🔍

Entryinfo

Created: 11/16/2017 10:52
Updated: 01/23/2021 18:45
Changes: 11/16/2017 10:52 (76), 12/06/2019 19:52 (3), 01/23/2021 18:45 (3)
Complete: 🔍
Cache ID: 216::103

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