| id: GO-2021-0067 |
| modules: |
| - module: std |
| versions: |
| - introduced: 1.16.0-0 |
| fixed: 1.16.1 |
| vulnerable_at: 1.16.0 |
| packages: |
| - package: archive/zip |
| symbols: |
| - toValidName |
| skip_fix: 'TODO: revisit this reason (fix appears to not work with Go <1.18)' |
| summary: Panic when opening archives in archive/zip |
| description: |- |
| Using Reader.Open on an archive containing a file with a path prefixed by "../" |
| will cause a panic due to a stack overflow. If parsing user supplied archives, |
| this may be used as a denial of service vector. |
| published: 2021-04-14T20:04:52Z |
| cves: |
| - CVE-2021-27919 |
| references: |
| - fix: https://go.dev/cl/300489 |
| - fix: https://go.googlesource.com/go/+/cd3b4ca9f20fd14187ed4cdfdee1a02ea87e5cd8 |
| - report: https://go.dev/issue/44916 |
| - web: https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw/m/zzhWj5jPAQAJ |
| review_status: REVIEWED |
