CVE-2020-27218

NameCVE-2020-27218
DescriptionIn Eclipse Jetty version 9.4.0.RC0 to 9.4.34.v20201102, 10.0.0.alpha0 to 10.0.0.beta2, and 11.0.0.alpha0 to 11.0.0.beta2, if GZIP request body inflation is enabled and requests from different clients are multiplexed onto a single connection, and if an attacker can send a request with a body that is received entirely but not consumed by the application, then a subsequent request on the same connection will see that body prepended to its body. The attacker will not see any data but may inject data into the body of the subsequent request.
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 Bugs976211

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jetty9 (PTS)stretch (security), stretch9.2.21-1+deb9u1vulnerable
buster9.4.15-1vulnerable
bullseye, sid9.4.35-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jetty9source(unstable)9.4.35-1976211

Notes

[stretch] - jetty9 <no-dsa> (Minor issue)
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568892
https://github.com/eclipse/jetty.project/security/advisories/GHSA-86wm-rrjm-8wh8

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