CVE-2021-28163

NameCVE-2021-28163
DescriptionIn Eclipse Jetty 9.4.32 to 9.4.38, 10.0.0.beta2 to 10.0.1, and 11.0.0.beta2 to 11.0.1, if a user uses a webapps directory that is a symlink, the contents of the webapps directory is deployed as a static webapp, inadvertently serving the webapps themselves and anything else that might be in that directory.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
jetty9 (PTS)stretch9.2.21-1+deb9u1fixed
stretch (security)9.2.30-0+deb9u2fixed
buster, buster (security)9.4.16-0+deb10u1fixed
bullseye9.4.39-3fixed
bookworm, sid9.4.44-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jetty9sourcestretch(not affected)
jetty9sourcebuster(not affected)
jetty9source(unstable)9.4.39-1

Notes

[buster] - jetty9 <not-affected> (Vulnerable code was introduced later)
[stretch] - jetty9 <not-affected> (Vulnerable code introduced in 9.4.32 according to upstream advisory, reproducer no-op)
https://github.com/eclipse/jetty.project/security/advisories/GHSA-j6qj-j888-vvgq
https://github.com/eclipse/jetty.project/commit/37fffb1722604da1763d8a096ec5c5fb41ea0633

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