MediaWiki Web Access 1.31.0 .htaccess information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MediaWiki Web Access 1.31.0. Affected by this vulnerability is an unknown functionality of the file .htaccess. This manipulation causes information disclosure. This vulnerability is registered as CVE-2018-13258. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in MediaWiki Web Access 1.31.0 (Content Management System). Affected by this vulnerability is some unknown processing of the file .htaccess. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Mediawiki 1.31 before 1.31.1 misses .htaccess files in the provided tarball used to protect some directories that shouldn't be web accessible.

The bug was discovered 09/20/2018. The weakness was published 10/04/2018 (Website). It is possible to read the advisory at lists.wikimedia.org. This vulnerability is known as CVE-2018-13258 since 07/05/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.31.1 eliminates this vulnerability.

Similar entries are available at VDB-124788, VDB-124789 and VDB-124790. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Information disclosure
CWE: CWE-200 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Access 1.31.1

Timelineinfo

07/05/2018 🔍
09/20/2018 +77 days 🔍
10/04/2018 +13 days 🔍
10/04/2018 +0 days 🔍
10/05/2018 +1 days 🔍
05/22/2023 +1690 days 🔍

Sourcesinfo

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

CVE: CVE-2018-13258 (🔍)
GCVE (CVE): GCVE-0-2018-13258
GCVE (VulDB): GCVE-100-124795
SecurityTracker: 1041695

See also: 🔍

Entryinfo

Created: 10/05/2018 07:09
Updated: 05/22/2023 09:46
Changes: 10/05/2018 07:09 (64), 03/29/2020 17:38 (1), 05/22/2023 09:46 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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