CVE-2023-46589
Last modified
CVE-2023-46589 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.. EPSS estimates a 2.65% chance of exploitation in the next 30 days.
Description
Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apache | Tomcat | >= 8.5.0, < 8.5.96 | — |
| Apache | Tomcat | >= 9.0.0, < 9.0.83 | — |
| Apache | Tomcat | >= 10.1.0, < 10.1.16 | — |
| Apache | Tomcat | 11.0.0 | Milestone1 |
References
- https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxrMailing List, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2023/11/28/2Mailing List, Third Party Advisory
- https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxrMailing List, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2023/11/28/2Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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