PT-2023-21570 · Discourse · Discourse

Jomaxro · Published 2023-03-17 · Updated 2024-03-06 · CVE-2023-28111

Positive Technologies (AI Summary)

CVSS v3.1

5.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 3.1.0.beta3

Description The issue allows attackers to bypass Discourse's server-side request forgery (SSRF) protection for private IPv4 addresses by using an IPv4-mapped IPv6 address.

Recommendations For versions prior to 3.1.0.beta3, update to the latest beta and tests-passed version of Discourse to resolve the issue.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

BIT-DISCOURSE-2023-28111

CVE-2023-28111

GHSA-26H3-8WW8-V5FC

Affected Products

Discourse

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28111.json · Exploit
• https://github.com/discourse/discourse/pull/20710 · Patch
• https://github.com/discourse/discourse/security/advisories/GHSA-26h3-8ww8-v5fc · Vendor Advisory
• https://github.com/discourse/discourse/commit/fd16eade7fcc6bba4b71e71106a2eb13cdfdae4a · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-28111 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28111 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2023-28111 · Vendor Advisory
• https://t.me/cibsecurity/60264 · Telegram Post