Resource exhaustion in Briarproject Briar
CVE-2023-33980
Bramble Synchronisation Protocol (BSP) in Briar before 1.4.22 allows attackers to cause a denial of service (repeated application crashes) via a series of long messages to a contact.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- briarproject.org/news/2023-three-security-issues-found-and-fixed/ (Vendor Advisory)
- ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/educat… (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-33980?
- CVE-2023-33980 is a high-severity vulnerability in Briarproject Briar, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-05-24.
- How severe is CVE-2023-33980?
- High severity. CVSS v3 base score is 7.5 out of 10.