CVE-2024-50379
Apache Tomcat: RCE due to TOCTOU issue in JSP compilation
Description
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat: from 11.0.0 through 11.0.1, from 10.1.0 through 10.1.33, from 9.0.0 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.
How to fix CVE-2024-50379
To remediate CVE-2024-50379, upgrade the affected package to a fixed version below.
- —upgrade to 9.0.98 or later
- —upgrade to 10.1.34-0+deb12u1 or later
- —upgrade to 9.0.43-2~deb11u11 or later
- —upgrade to 11.0.2 or later
- —upgrade to 11.0.2 or later
Is CVE-2024-50379 being exploited?
Moderate — EPSS is 43.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- >= 9.0.0, < 9.0.98, >= 10.0.0, < 10.1.34, >= 11.0.0, < 11.0.2
- from 0, < 10.1.34-0+deb12u1
- from 0, < 9.0.43-2~deb11u11
- >= 11.0.0-M1, < 11.0.2
- >= 11.0.0-M1, < 11.0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |