Vulnerability in Protobuf-C Project
CVE-2022-33070
Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.
EPSS: 0.011 (61.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Protobuf-c_project Protobuf-c — versions 1.4.0
- Fedoraproject Fedora — versions 36
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-33070?
- CVE-2022-33070 is a medium-severity vulnerability in Protobuf-C Project. CVSS score: 5.5/10. Published 2022-06-23.
- How severe is CVE-2022-33070?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-33070 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.