Improper input validation in Google Google-protobuf
CVE-2022-3171
A parsing issue with binary data in protobuf-java core and lite versions prior to 3.21.7, 3.20.3, 3.19.6 and 3.16.3 can lead to a denial of service attack. Inputs containing multiple instances of non-repeated embedded messages with repeate…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Google Google-protobuf
- Google Protobuf-java
- Google Protobuf-javalite
- Google Protobuf-kotlin
- Google Protobuf-kotlin-lite
- Google Llc Protocolbuffers — versions 3.21.7, 3.20.3, 3.19.6
- Fedoraproject Fedora — versions 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@google.com (Third Party Advisory)
- cve-coordination@google.com (vendor-advisory)
- cve-coordination@google.com (vendor-advisory, Third Party Advisory)
- cve-coordination@google.com (vendor-advisory)
Frequently asked questions
- What is CVE-2022-3171?
- CVE-2022-3171 is a medium-severity vulnerability in Google Google-protobuf, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2022-10-12.
- How severe is CVE-2022-3171?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2022-3171 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.