| Name | CVE-2021-28164 |
| Description | In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For example a request to /context/%2e/WEB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| jetty (PTS) | jessie, jessie (lts) | 6.1.26-4+deb8u2 | fixed |
| jetty8 (PTS) | jessie, jessie (lts) | 8.1.16-4+deb8u1 | fixed |
| jetty9 (PTS) | stretch (security), stretch (lts), stretch | 9.2.30-0+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 9.4.50-4+deb10u2 | fixed |
| bullseye (security), bullseye | 9.4.50-4+deb11u2 | fixed |
| bookworm (security), bookworm | 9.4.50-4+deb12u3 | fixed |
| sid, trixie | 9.4.56-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| jetty | source | jessie | (not affected) | | | |
| jetty | source | (unstable) | (unfixed) | | | |
| jetty8 | source | jessie | (not affected) | | | |
| jetty8 | source | (unstable) | (unfixed) | | | |
| jetty9 | source | stretch | (not affected) | | | |
| jetty9 | source | buster | (not affected) | | | |
| jetty9 | source | (unstable) | 9.4.39-1 | | | |
Notes
[buster] - jetty9 <not-affected> (Vulnerable code introduced later)
[stretch] - jetty9 <not-affected> (Vulnerable code introduced later)
https://github.com/eclipse/jetty.project/security/advisories/GHSA-v7ff-8wcx-gmc5
https://github.com/eclipse/jetty.project/commit/e412c8a15b3334b30193f40412c0fbc47e478e83
Introduced by https://github.com/eclipse/jetty.project/commit/20ef71fe5d709a90c2a5698834fff07b9b4e7ad7 (jetty-9.4.37.v20210219)
[jessie] - jetty <not-affected> (Vulnerable code introduced later)
[jessie] - jetty8 <not-affected> (Vulnerable code introduced later)