| id: GO-2022-0537 |
| modules: |
| - module: std |
| versions: |
| - fixed: 1.17.13 |
| - introduced: 1.18.0-0 |
| fixed: 1.18.5 |
| vulnerable_at: 1.18.4 |
| packages: |
| - package: math/big |
| symbols: |
| - Float.GobDecode |
| - Rat.GobDecode |
| summary: Panic when decoding Float and Rat types in math/big |
| description: |- |
| Decoding big.Float and big.Rat types can panic if the encoded message is too |
| short, potentially allowing a denial of service. |
| published: 2022-08-01T22:21:06Z |
| credits: |
| - '@catenacyber' |
| references: |
| - fix: https://go.dev/cl/417774 |
| - fix: https://go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66 |
| - report: https://go.dev/issue/53871 |
| - web: https://groups.google.com/g/golang-announce/c/YqYYG87xB10 |
| cve_metadata: |
| id: CVE-2022-32189 |
| cwe: 'CWE 400: Uncontrolled Resource Consumption' |
| description: |- |
| A too-short encoded message can cause a panic in Float.GobDecode and Rat |
| GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially allowing a |
| denial of service. |
