PT-2023-31047 · Misskey · Misskey

Perillamint + 1 · Published 2023-11-29 · Updated 2023-12-05 · CVE-2023-49079

Positive Technologies (AI Summary)

CVSS v3.1

9.3

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Misskey versions prior to 2023.11.1-beta.1

Description Misskey is an open source, decentralized social media platform. The issue allows arbitrary users to impersonate any remote user due to missing signature validation.

Recommendations For versions prior to 2023.11.1-beta.1, update to version 2023.11.1-beta.1 to resolve the issue. As a temporary workaround, consider restricting access to remote user impersonation functionality until the patch is applied.

Exploit

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2023-49079

GHSA-3F39-6537-3CGC

Affected Products

Misskey

References · 5

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49079.json · Exploit
• https://github.com/misskey-dev/misskey/security/advisories/GHSA-3f39-6537-3cgc · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-49079 · Security Note
• https://osv.dev/vulnerability/CVE-2023-49079 · Vendor Advisory
• https://t.me/cvenotify/61513 · Telegram Post