CVE-2021-33195

Summary

Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI ↗

Additional information

• NVD record
• https://groups.google.com/g/golang-announce/c/RgCMkAEQjSIPatch
• https://groups.google.com/g/golang-announceAdvisory
• https://security.gentoo.org/glsa/202208-02Advisory
• https://security.netapp.com/advisory/ntap-20210902-0005/Advisory