CVE-2021-27919
low
CVSS v3
—
CVSS v2
—
VIR risk
2.5
Description
archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-27919
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-27919.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2:1.16.1-1 | |
| sles | affected | | |
| debian | bullseye | fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | stdlib | >=1.16.0-0,<1.16.1 | 1.16.1 |
References
- https://www.suse.com/security/cve/CVE-2021-27919.html
- https://go.dev/cl/300489
- https://go.googlesource.com/go/+/cd3b4ca9f20fd14187ed4cdfdee1a02ea87e5cd8
- https://go.dev/issue/44916
- https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw/m/zzhWj5jPAQAJ
- https://security-tracker.debian.org/tracker/CVE-2021-27919
Verify integrity in audit chain (admin only). AS-IS.