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Security Advisories: GSA_kwCzR0hTQS1yNnd3LTU5NjMtN3I5Nc4AAzxC

Denial of Service via reachable assertion

A grpc-swift server is vulnerable to a denial of service attack via a reachable assertion. This was due to incorrect logic when handling GOAWAY frames.

The attack is low-effort: it takes very little resources to construct and send the required sequence of frames. The impact on availability is high as the server will crash, dropping all in flight connections and requests.

The issue was discovered by automated fuzz testing and is resolved by fixing the relevant state handling code.

Permalink: https://github.com/advisories/GHSA-r6ww-5963-7r95
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1yNnd3LTU5NjMtN3I5Nc4AAzxC
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 11 months ago
Updated: 3 months ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-r6ww-5963-7r95, CVE-2022-24777
References: Repository: https://github.com/grpc/grpc-swift
Blast Radius: 13.3

Affected Packages

swift:github.com/grpc/grpc-swift
Dependent packages: 13
Dependent repositories: 60
Downloads:
Affected Version Ranges: < 1.7.2
Fixed in: 1.7.2
All affected versions: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.1.10, 0.1.11, 0.1.12, 0.1.13, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.2.5, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.5.0, 0.5.1, 0.6.0, 0.7.0, 0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.9.1, 0.9.2, 0.10.0, 0.11.0, 1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.3.0, 1.4.0, 1.4.1, 1.4.2, 1.5.0, 1.6.0, 1.6.1, 1.7.0, 1.7.1
All unaffected versions: 1.7.2, 1.7.3, 1.8.0, 1.8.1, 1.8.2, 1.9.0, 1.10.0, 1.11.0, 1.12.0, 1.13.0, 1.13.1, 1.13.2, 1.14.0, 1.14.1, 1.14.2, 1.15.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.19.1, 1.20.0, 1.21.0, 1.21.1, 1.22.0