CVE-2021-33197

Summary

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

Impact & exploitability

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

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. 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