GHSA-f268-65qc-98vg
Exposure of Sensitive Information to an Unauthorized Actor in Apache Tomcat
At a glance
- Published
- Updated
- CVE
- CVE-2020-13943
- Aliases
- BIT-tomcat-2020-13943
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.apache.tomcat:tomcat-coyote | introduced 10.0.0-M1, fixed 10.0.0-M8 |
| Maven · org.apache.tomcat:tomcat-coyote | introduced 9.0.0-M1, fixed 9.0.38 |
| Maven · org.apache.tomcat:tomcat-coyote | introduced 8.5.0, fixed 8.5.58 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-13943 ADVISORY
- https://github.com/apache/tomcat/commit/1bbc650cbc3f08d85a1ec6d803c47ae53a84f3bb WEB
- https://github.com/apache/tomcat/commit/55911430df13f8c9998fbdee1f9716994d2db59b WEB
- https://github.com/apache/tomcat/commit/9d7def063b47407a09a2f9202beed99f4dcb292a WEB
- https://lists.apache.org/thread.html/r4a390027eb27e4550142fac6c8317cc684b157ae314d31514747f307%40%3Cannounce.tomcat.apache.org%3E WEB
- https://lists.debian.org/debian-lts-announce/2020/10/msg00019.html WEB
- https://security.netapp.com/advisory/ntap-20201016-0007 WEB
- https://www.debian.org/security/2021/dsa-4835 WEB
- https://www.oracle.com/security-alerts/cpuApr2021.html WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00002.html WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00021.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |