Vulnerability Details : CVE-2022-33070
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2022-33070
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:a:protobuf-c_project:protobuf-c:1.4.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-33070
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-33070
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2022-33070
-
https://github.com/protobuf-c/protobuf-c/pull/508
Only shift unsigned values to avoid implementation-specific behavior. by millert · Pull Request #508 · protobuf-c/protobuf-c · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FFN2GHUEGTSHRD7J5PKQ5DRSJSEQ2IKN/
[SECURITY] Fedora 36 Update: protobuf-c-1.4.1-2.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/protobuf-c/protobuf-c/issues/506
UndefinedBehaviorSanitizer: invalid left shift in protobuf-c.c:2086 · Issue #506 · protobuf-c/protobuf-c · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
Jump to