CVE-2023-5548 : Stronger revision number limitations were required on file serving endpoints to

Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.

Published 2023-11-09 20:15:10

Updated 2023-11-16 19:07:48

Source Fedora Project

View at NVD, CVE.org

Products affected by CVE-2023-5548

Moodle » Moodle
Versions from including (>=) 4.0.0 and before (<) 4.0.11
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 3.11.0 and before (<) 3.11.17
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions before (<) 3.9.24
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 4.2.0 and before (<) 4.2.3
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 4.1.0 and before (<) 4.1.6
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Extra Packages For Enterprise Linux » Version: 7.0
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 29 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None
3.3	LOW	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	1.8	1.4	Fedora Project
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE-345 Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

Assigned by: nvd@nist.gov (Primary)
CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data

The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.

Assigned by: patrick@puiterwijk.org (Secondary)

https://moodle.org/mod/forum/discuss.php?d=451589

Moodle.org: MSA-23-0040: Make file serving endpoints revision control stricter | Moodle.org
Patch;Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2243449

2243449 – (CVE-2023-5548, MSA-23-0040) CVE-2023-5548 moodle: Cache poisoning risk with endpoint revision numbers
Issue Tracking;Patch;Third Party Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846

Official Moodle git projects - moodle.git/search
Patch

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