CVE-2021-33197

NameCVE-2021-33197
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-1.11 (PTS)buster, buster (security)1.11.6-1+deb10u4vulnerable
golang-1.15 (PTS)bullseye1.15.9-6fixed
bookworm, sid1.15.15-4fixed
golang-1.16 (PTS)bookworm, sid1.16.8-1fixed
golang-1.7 (PTS)stretch1.7.4-2+deb9u1vulnerable
stretch (security)1.7.4-2+deb9u3vulnerable
golang-1.8 (PTS)stretch1.8.1-1+deb9u1vulnerable
stretch (security)1.8.1-1+deb9u3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golang-1.11source(unstable)(unfixed)
golang-1.15source(unstable)1.15.9-5
golang-1.16source(unstable)1.16.5-1
golang-1.7source(unstable)(unfixed)
golang-1.8source(unstable)(unfixed)

Notes

[buster] - golang-1.11 <no-dsa> (Minor issue)
[stretch] - golang-1.8 <postponed> (Minor issue, header corruption in proxy chains, requires rebuilding reverse-dependencies)
[stretch] - golang-1.7 <postponed> (Minor issue, header corruption in proxy chains, requires rebuilding reverse-dependencies)
https://github.com/golang/go/issues/46313
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
https://github.com/golang/go/commit/cbd1ca84453fecf3825a6bb9f985823e8bc32b76 (1.15)

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