CVE-2019-17569
tomcat8 - security update
4.8
MEDIUM
CVSS 3.1
EPSS 6.2%
Description
The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.
How to fix CVE-2019-17569
To remediate CVE-2019-17569, upgrade the affected package to a fixed version below.
- —upgrade to 7.0.56-3+really7.0.100-1 or later
- —upgrade to 8.5.54-0+deb9u1 or later
- —upgrade to 9.0.31-1 or later
- —upgrade to 7.0.100 or later
- —upgrade to 7.0.100 or later
Is CVE-2019-17569 being exploited?
Moderate — EPSS is 6.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 7.0.56-3+really7.0.100-1
- from 0, < 8.5.54-0+deb9u1
- from 0, < 9.0.31-1
- >= 7.0.98, < 7.0.100
- >= 7.0.98, < 7.0.100
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |