PT-2021-21141 · Unknown · Grpc Swift

Highglbrntt · Published 2021-07-09 · Updated 2023-06-09 · CVE-2021-36153

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: gRPC Swift versions 1.1.0 through 1.1.1

Description: The issue is related to mismanaged state in the GRPCWebToHTTP2ServerCodec.swift file, allowing remote attackers to cause a denial of service by sending malformed requests. Affected gRPC Swift servers are vulnerable to precondition failures when parsing certain gRPC Web requests.

Recommendations: For gRPC Swift versions 1.1.0 through 1.1.1, upgrade to version 1.2.0 to resolve the issue.

Fix

Related Identifiers

CVE-2021-36153

GHSA-2JX2-QCM4-RF9H

Affected Products

Grpc Swift

References · 7

• https://osv.dev/vulnerability/GHSA-2jx2-qcm4-rf9h · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36153 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36153 · Vendor Advisory
• https://github.com/grpc/grpc-swift/security/advisories/GHSA-2jx2-qcm4-rf9h · Note
• https://github.com/grpc/grpc-swift/releases · Note
• https://github.com/grpc/grpc-swift · Note
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35267 · Note