CVE-2020-29511

NameCVE-2020-29511
DescriptionThe encoding/xml package in Go (all versions) does not correctly preserve the semantics of element 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, 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 (PTS)jessie, jessie (lts)2:1.3.3-1+deb8u5vulnerable
golang-1.11 (PTS)buster (security), buster, buster (lts)1.11.6-1+deb10u7vulnerable
golang-1.15 (PTS)bullseye1.15.15-1~deb11u4vulnerable
golang-1.7 (PTS)stretch (security), stretch (lts), stretch1.7.4-2+deb9u5vulnerable
golang-1.8 (PTS)stretch (security), stretch (lts), stretch1.8.1-1+deb9u5vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
golangsource(unstable)(unfixed)unimportant
golang-1.11source(unstable)(unfixed)unimportant
golang-1.15source(unstable)(unfixed)unimportant
golang-1.7source(unstable)(unfixed)unimportant
golang-1.8source(unstable)(unfixed)unimportant

Notes

[stretch] - golang-1.8 <ignored> (deemed unfixable by upstream who shifts responsibility to saml packages we don't ship)
[stretch] - golang-1.7 <ignored> (deemed unfixable by upstream who shifts responsibility to saml packages we don't ship)
https://github.com/golang/go/issues/43168
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
Upstream considers this WONTFIX and requires validation/updates in potentially affected SAML libs
[jessie] - golang <ignored> (deemed unfixable by upstream who shifts responsibility to saml packages we don't ship)

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