PT-2023-24614 · Briar · Briar

Kenny Paterson + 1 · Published 2023-05-24 · Updated 2025-01-16 · CVE-2023-33980

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Briar versions prior to 1.4.22

Description The issue allows attackers to cause a denial of service, resulting in repeated application crashes, by sending a series of long messages to a contact. This is achieved through the Bramble Synchronisation Protocol (BSP) in Briar.

Recommendations For versions prior to 1.4.22, update to version 1.4.22 or later to resolve the issue. As a temporary workaround, consider restricting the length of incoming messages to prevent repeated application crashes.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2023-33980

Affected Products

Briar

References · 7

• 🔥 https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_YuanmingSong.pdf · Exploit
• https://briarproject.org/news/2023-three-security-issues-found-and-fixed · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-33980 · Security Note
• https://osv.dev/vulnerability/CVE-2023-33980 · Vendor Advisory
• https://t.me/cibsecurity/64715 · Telegram Post
• https://t.me/cvenotify/51077 · Telegram Post
• https://t.me/cvenotify/107638 · Telegram Post