Vulnerability · Published Feb 8, 2023 · Assigned by GitHub_M

CVE-2023-25167Regular expression denial of service via installing themes via git in discourse

Medium 6.5

In plain English

A medium-severity regular-expression denial of service in discourse from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.6%top 52.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Discourse is an open source discussion platform. In affected versions a malicious user can cause a regular expression denial of service using a carefully crafted git URL. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this issue.

Affected products (as reported)

VendorProductVersions
discourse discourse < 3.0.1>= 3.1.0.beta, < 3.1.0.beta2

Weakness: CWE-1333 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References