CVE-2022-33070 — MEDIUM (5.5)

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Protobuf-C Project	Protobuf-C	1.4.0
Fedoraproject	Fedora	36

References

https://github.com/protobuf-c/protobuf-c/issues/506ExploitIssue TrackingPatch
https://github.com/protobuf-c/protobuf-c/pull/508ExploitIssue TrackingPatch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
https://github.com/protobuf-c/protobuf-c/issues/506ExploitIssue TrackingPatch
https://github.com/protobuf-c/protobuf-c/pull/508ExploitIssue TrackingPatch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro

FAQ

What is CVE-2022-33070?

CVE-2022-33070 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 Ser...

How severe is CVE-2022-33070?

CVE-2022-33070 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-33070?

Check the references section above for vendor advisories and patch information. Affected products include: Protobuf-C Project Protobuf-C, Fedoraproject Fedora.