PyPi: Protobuf

CVE-2022-1941

Safety vulnerability ID: 51167

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Sep 22, 2022 Updated at Dec 04, 2024
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Advisory

Protobuf 3.18.3, 3.19.5, 3.20.2 and 4.21.6 include a fix for CVE-2022-1941: A parsing vulnerability for the MessageSet type in the ProtocolBuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 4.21.5 for protobuf-python can lead to out of memory failures. A specially crafted message with multiple key-value per elements creates parsing issues, and can lead to a Denial of Service against services receiving unsanitized input.
https://github.com/protocolbuffers/protobuf/security/advisories/GHSA-8gq9-2x98-w8hf

Affected package

protobuf

Latest version: 5.29.1

None

Affected versions

Fixed versions

Vulnerability changelog

A parsing vulnerability for the MessageSet type in the ProtocolBuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 4.21.5 for protobuf-python can lead to out of memory failures. A specially crafted message with multiple key-value per elements creates parsing issues, and can lead to a Denial of Service against services receiving unsanitized input. We recommend upgrading to versions 3.18.3, 3.19.5, 3.20.2, 3.21.6 for protobuf-cpp and 3.18.3, 3.19.5, 3.20.2, 4.21.6 for protobuf-python. Versions for 3.16 and 3.17 are no longer updated. See CVE-2022-1941.


CONFIRM:https://cloud.google.com/support/bulletins#GCP-2022-019: https://cloud.google.com/support/bulletins#GCP-2022-019
CONFIRM:https://github.com/protocolbuffers/protobuf/security/advisories/GHSA-8gq9-2x98-w8hf: https://github.com/protocolbuffers/protobuf/security/advisories/GHSA-8gq9-2x98-w8hf

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
NONE
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
NONE
Integrity Impact (I)
NONE
Availability Availability (A)
HIGH