| id: GO-2022-0523 |
| modules: |
| - module: std |
| versions: |
| - fixed: 1.17.12 |
| - introduced: 1.18.0-0 |
| fixed: 1.18.4 |
| vulnerable_at: 1.18.3 |
| packages: |
| - package: encoding/xml |
| symbols: |
| - Decoder.DecodeElement |
| - Decoder.unmarshal |
| - Decoder.unmarshalPath |
| summary: Stack exhaustion when unmarshaling certain documents in encoding/xml |
| description: |- |
| Unmarshaling an XML document into a Go struct which has a nested field that uses |
| the 'any' field tag can panic due to stack exhaustion. |
| published: 2022-07-20T20:52:06Z |
| references: |
| - fix: https://go.dev/cl/417061 |
| - fix: https://go.googlesource.com/go/+/c4c1993fd2a5b26fe45c09592af6d3388a3b2e08 |
| - report: https://go.dev/issue/53611 |
| - web: https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE |
| cve_metadata: |
| id: CVE-2022-30633 |
| cwe: 'CWE-674: Uncontrolled Recursion' |
| description: |- |
| Uncontrolled recursion in Unmarshal in encoding/xml before Go 1.17.12 and Go |
| 1.18.4 allows an attacker to cause a panic due to stack exhaustion via |
| unmarshalling an XML document into a Go struct which has a nested field that |
| uses the 'any' field tag. |
