Is CVE-2022-33070 in the CISA KEV catalog?

No. CVE-2022-33070 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-33070?

CVE-2022-33070 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-33070?

CVE-2022-33070 has an EPSS score of 1.06% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-33070?

Upgrade protobuf-c on debian 12 to 1.4.1-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2022-33070

MEDIUM

5.5

CVSS v3

NVD

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.

How to fix

Remediation Available

protobuf-cDebian

Fixed in:1.4.1-1CVE-2022-33070

protobuf-cUbuntu

Fixed in:1.3.3-1ubuntu0.1USN-5531-1

Fixed in:1.3.3-1ubuntu2.1USN-5531-1

protobuf-c-compilerUbuntu

Fixed in:1.3.3-1ubuntu0.1USN-5531-1

Fixed in:1.3.3-1ubuntu2.1USN-5531-1

sudoUbuntu

Fixed in:1.8.21p2-3ubuntu1.5USN-5811-1

Fixed in:1.8.31-1ubuntu1.4USN-5811-1

Fixed in:1.9.9-1ubuntu2.2USN-5811-1

Fixed in:1.9.11p3-1ubuntu1.1USN-5811-1

sudo-ldapUbuntu

Fixed in:1.8.21p2-3ubuntu1.5USN-5811-1

Fixed in:1.8.31-1ubuntu1.4USN-5811-1

Fixed in:1.9.9-1ubuntu2.2USN-5811-1

Fixed in:1.9.11p3-1ubuntu1.1USN-5811-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.06%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Patch2

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.