CVE-2021-22960

NameCVE-2021-22960
DescriptionThe parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5170-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nodejs (PTS)jessie0.10.29~dfsg-2vulnerable
stretch4.8.2~dfsg-1vulnerable
buster10.24.0~dfsg-1~deb10u1fixed
buster (security)10.24.0~dfsg-1~deb10u4fixed
bullseye (security), bullseye12.22.12~dfsg-1~deb11u4fixed
bookworm18.13.0+dfsg1-1fixed
bookworm (security)18.19.0+dfsg-6~deb12u1fixed
trixie18.19.1+dfsg-3fixed
sid18.19.1+dfsg-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nodejssourcejessie(unfixed)end-of-life
nodejssourcestretch(unfixed)end-of-life
nodejssourcebuster(not affected)
nodejssourcebullseye12.22.12~dfsg-1~deb11u1DSA-5170-1
nodejssource(unstable)12.22.7~dfsg-1

Notes

[buster] - nodejs <not-affected> (llhttp dependency/embedding introduced in 12.x)
[stretch] - nodejs <end-of-life> (Nodejs in stretch not covered by security support)
https://hackerone.com/reports/1238099
https://github.com/nodejs/node/commit/657fb9a77ca36f729da484f55899dad7a13759b0 (v14.x)
https://github.com/nodejs/node/commit/21a2e554e3eaa325abbdb28f366928d0ccc0a0f0 (v12.22.7)
https://nodejs.org/en/blog/vulnerability/oct-2021-security-releases/#http-request-smuggling-when-parsing-the-body-medium-cve-2021-22960

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