CVE-2020-29509

NameCVE-2020-29509
DescriptionThe encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
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
Debian Bugs948190

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
golang-1.11 (PTS)buster1.11.6-1+deb10u3vulnerable
buster (security)1.11.6-1+deb10u4vulnerable
golang-1.15 (PTS)bullseye, sid1.15.9-1vulnerable
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)unimportant
golang-1.15source(unstable)(unfixed)unimportant
golang-1.7source(unstable)(unfixed)unimportant
golang-1.8source(unstable)(unfixed)unimportant
golang-github-russellhaering-gosaml2ITP948190

Notes

Golang upstream does not consider the issue to be fixable in Go, instead
shifts responsibility to saml packages.
https://github.com/golang/go/issues/43168
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
https://github.com/russellhaering/gosaml2/security/advisories/GHSA-xhqq-x44f-9fgg

Search for package or bug name: Reporting problems