CVE-2021-33037
CVE-2021-33037 · Incorrect Transfer-Encoding handling with HTTP/1.0
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
CVSS 5.3 · Medium · EPSS 74.7% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
apache tomcat
- Versions
- Apache Tomcat 10 10.0.0-M1 to 10.0.6: Affected
- Apache Tomcat 9 9.0.0.M1 to 9.0.46: Affected
- Apache Tomcat 8 8.5.0 to 8.5.66: Affected
No fix published
tomcat9 Debian:12
- Affected ranges
- ECOSYSTEM: < 9.0.43-2
Update to 9.0.43-2
tomcat9 Debian:13
- Affected ranges
- ECOSYSTEM: < 9.0.43-2
Update to 9.0.43-2
tomcat9 Debian:14
- Affected ranges
- ECOSYSTEM: < 9.0.43-2
Update to 9.0.43-2
tomcat6 Ubuntu:Pro:14.04:LTS
- Versions
- 6.0.37-1
- 6.0.39-1
- 6.0.39-1ubuntu0.1
- 6.0.39-1ubuntu0.1+esm1
- 6.0.39-1ubuntu0.1+esm2
- 6.0.39-1ubuntu0.1+esm3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tomcat7 Ubuntu:Pro:14.04:LTS
- Versions
- 7.0.42-1
- 7.0.47-1
- 7.0.50-1
- 7.0.52-1
- 7.0.52-1ubuntu0.1
- 7.0.52-1ubuntu0.3
- 7.0.52-1ubuntu0.6
- 7.0.52-1ubuntu0.7
- 7.0.52-1ubuntu0.8
- 7.0.52-1ubuntu0.9
- 7.0.52-1ubuntu0.10
- 7.0.52-1ubuntu0.11
- 7.0.52-1ubuntu0.13
- 7.0.52-1ubuntu0.14
- 7.0.52-1ubuntu0.15
- 7.0.52-1ubuntu0.16
- 7.0.52-1ubuntu0.16+esm1
- 7.0.52-1ubuntu0.16+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tomcat8 Ubuntu:Pro:16.04:LTS
- Versions
- 8.0.26-1
- 8.0.28-1
- 8.0.30-1
- 8.0.32-1
- 8.0.32-1ubuntu1
- 8.0.32-1ubuntu1.1
- 8.0.32-1ubuntu1.2
- 8.0.32-1ubuntu1.3
- 8.0.32-1ubuntu1.4
- 8.0.32-1ubuntu1.5
- 8.0.32-1ubuntu1.6
- 8.0.32-1ubuntu1.7
- 8.0.32-1ubuntu1.8
- 8.0.32-1ubuntu1.9
- 8.0.32-1ubuntu1.10
- 8.0.32-1ubuntu1.11
- 8.0.32-1ubuntu1.13
- 8.0.32-1ubuntu1.13+esm1
- 8.0.32-1ubuntu1.13+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tomcat7 Ubuntu:Pro:16.04:LTS
- Versions
- 7.0.64-1
- 7.0.68-1
- 7.0.68-1ubuntu0.1
- 7.0.68-1ubuntu0.3
- 7.0.68-1ubuntu0.4
- 7.0.68-1ubuntu0.4+esm1
- 7.0.68-1ubuntu0.4+esm2
- 7.0.68-1ubuntu0.4+esm3
- 7.0.68-1ubuntu0.4+esm4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tomcat9 Ubuntu:18.04:LTS
- Versions
- 9.0.16-3~18.04.1
- 9.0.16-3ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: < 9.0.16-3ubuntu0.18.04.2
Update to 9.0.16-3ubuntu0.18.04.2
tomcat8 Ubuntu:Pro:18.04:LTS
- Versions
- 8.5.21-1ubuntu1
- 8.5.29-1
- 8.5.30-1
- 8.5.30-1ubuntu1
- 8.5.30-1ubuntu1.2
- 8.5.30-1ubuntu1.3
- 8.5.30-1ubuntu1.4
- 8.5.39-1ubuntu1~18.04.1
- 8.5.39-1ubuntu1~18.04.2
- 8.5.39-1ubuntu1~18.04.3
- 8.5.39-1ubuntu1~18.04.3+esm1
- 8.5.39-1ubuntu1~18.04.3+esm2
- 8.5.39-1ubuntu1~18.04.3+esm3
- 8.5.39-1ubuntu1~18.04.3+esm4
- 8.5.39-1ubuntu1~18.04.3+esm5
- 8.5.39-1ubuntu1~18.04.3+esm6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tomcat9 Ubuntu:20.04:LTS
- Versions
- 9.0.24-1
- 9.0.27-1
- 9.0.31-1
- 9.0.31-1ubuntu0.1
- Affected ranges
- ECOSYSTEM: < 9.0.31-1ubuntu0.2
Update to 9.0.31-1ubuntu0.2
Original sources
- https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fec0bc6f1a7e60c9381%40%3Cannounce.tomcat.apache.org%3E
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://lists.apache.org/thread.html/r40f921575aee8d7d34e53182f862c45cbb8f3d898c9d4e865c2ec262%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/re01e7e93154e8bdf78a11a23f9686427bd3d51fc6e12c508645567b7%40%3Ccommits.tomee.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html
- https://www.debian.org/security/2021/dsa-4952
- https://lists.apache.org/thread.html/rd0dfea39829bc0606c936a16f6fca338127c86c0a1083970b45ac8d2%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r290aee55b72811fd19e75ac80f6143716c079170c5671b96932ed44b%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/rf1b54fd3f52f998ca4829159a88cc4c23d6cef5c6447d00948e75c97%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/rc6ef52453bb996a98cb45442871a1db56b7c349939e45d829bf9ae37%40%3Ccommits.tomee.apache.org%3E
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security.netapp.com/advisory/ntap-20210827-0007/
- https://kc.mcafee.com/corporate/index?page=content&id=SB10366
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.gentoo.org/glsa/202208-34
- https://nvd.nist.gov/vuln/detail/CVE-2021-33037