CVE-2020-29652

NameCVE-2020-29652
DescriptionA nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-go.crypto (PTS)jessie, jessie (lts)0.0~hg190-1+deb8u2vulnerable
stretch (security), stretch (lts), stretch1:0.0~git20170407.0.55a552f+REALLY.0.0~git20161012.0.5f31782-1+deb8u1fixed
buster (security), buster, buster (lts)1:0.0~git20181203.505ab14-1+deb10u1fixed
bullseye1:0.0~git20201221.eec23a3-1fixed
bookworm1:0.4.0-1fixed
sid, trixie1:0.25.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golang-go.cryptosourcejessie(unfixed)end-of-life
golang-go.cryptosourcestretch(not affected)
golang-go.cryptosourcebuster(not affected)
golang-go.cryptosource(unstable)1:0.0~git20201221.eec23a3-1

Notes

[buster] - golang-go.crypto <not-affected> (Vulnerable code not present)
[stretch] - golang-go.crypto <not-affected> (Vulnerable code not present)
https://go-review.googlesource.com/c/crypto/+/278852
https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1
Introduced in: https://github.com/golang/crypto/commit/cbcb750295291b33242907a04be40e80801d0cfc (2019-05-10)

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