CVE-2017-12617
tomcat7 - security update
8.1
HIGH
CVSS 3.1
⚠ KEVEPSS 94.4%
Description
When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.
How to fix CVE-2017-12617
To remediate CVE-2017-12617, upgrade the affected package to a fixed version below.
- —upgrade to 7.0.28-4+deb7u16 or later
- —upgrade to 9.0.1 or later
- —upgrade to 9.0.1 or later
Is CVE-2017-12617 being exploited?
Yes — CVE-2017-12617 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (3)
- from 0, < 7.0.28-4+deb7u16
- >= 9.0.0.M1, < 9.0.1
- >= 9.0.0.M1, < 9.0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H |