PT-2020-6807 · Mediawiki+1 · Mediawiki+1

Tim Starling + 1 · Published 2020-06-24 · Updated 2024-03-06 · CVE-2020-15005

Positive Technologies (AI Summary)

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.31.8 MediaWiki versions 1.32.x MediaWiki versions 1.33.x prior to 1.33.4 MediaWiki versions 1.34.x prior to 1.34.2

Description The issue concerns private wikis behind a caching server that use the img auth.php image authorization security feature. Due to mishandled Cache-Control and Vary headers, files may have been cached publicly, allowing any unauthorized user to view them. This results in the potential disclosure of protected information.

Recommendations For MediaWiki versions prior to 1.31.8, update to version 1.31.8 or later. For MediaWiki versions 1.32.x, update to version 1.33.4 or later, or apply the necessary patches. For MediaWiki versions 1.33.x prior to 1.33.4, update to version 1.33.4 or later. For MediaWiki versions 1.34.x prior to 1.34.2, update to version 1.34.2 or later. As a temporary workaround, consider restricting access to the img auth.php feature until a patch is applied.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2020-2488

ALT-PU-2020-3055

BDU:2022-07039

BIT-MEDIAWIKI-2020-15005

CVE-2020-15005

DLA-2504-1

DSA-4767-1

GHSA-XPV7-93CM-4MXV

MGASA-2020-0292

Affected Products

Alt Linux

Mediawiki

References · 30

• https://phabricator.wikimedia.org/T248947 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mediawiki-2020-15005 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15005 · Security Note
• https://osv.dev/vulnerability/DLA-2504-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/EEZIMLJMJS72SJXPYL736XMUAVCRQD2H · Vendor Advisory
• https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34 · Vendor Advisory
• https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31 · Vendor Advisory
• https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15005 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-15005 · Vendor Advisory
• https://debian.org/security/2020/dsa-4767 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-07039 · Security Note
• https://advisories.mageia.org/MGASA-2020-0292.html · Security Note
• https://osv.dev/vulnerability/DSA-4767-1 · Vendor Advisory
• https://lists.wikimedia.org/pipermail/wikitech-l/2020-June/093535.html · Vendor Advisory