CVE-2021-36155: Uncontrolled Resource Consumption in LengthPrefixedMessageReader
7.5
CVSS Score
3.1
Basic Information
CVE ID
GHSA ID
EPSS Score
0.73852%
CWE
Published
6/9/2023
Updated
6/19/2023
KEV Status
No
Technology
Swift
Technical Details
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
---|---|---|---|
github.com/grpc/grpc-swift | swift | < 1.2.0 | 1.2.0 |
Vulnerability Intelligence
Miggo AI
Root Cause Analysis
The advisory and release notes point to LengthPrefixedMessageReader as the component related to the vulnerability. The fix involves limiting the length of received messages, indicating that the read or parsing logic within LengthPrefixedMessageReader is vulnerable.