CVE-2024-50379

EUVD-2024-3537

17.12.2024, 13:15

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-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 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.

TOCTOU

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADP	ADP	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 99%

Affected Products (NVD)

Vendor	Product	Version
apache	tomcat	9.0.0 ≤ 𝑥 < 9.0.98
apache	tomcat	10.1.0 ≤ 𝑥 < 10.1.34
apache	tomcat	11.0.0 ≤ 𝑥 < 11.0.2
netapp	bootstrap_os	-

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

tomcat10

bookworm	10.1.34-0+deb12u2 fixed
bookworm (security)	10.1.34-0+deb12u2 fixed
forky	10.1.46-1 fixed
sid	10.1.46-1 fixed
trixie	10.1.40-1 fixed

tomcat9

bookworm	9.0.70-2 fixed
bullseye	vulnerable
bullseye (security)	9.0.107-0+deb11u1 fixed
forky	9.0.111-1 fixed
sid	9.0.111-1 fixed
trixie	9.0.95-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

tomcat6

focal	dne
jammy	dne
noble	dne
oracular	dne
plucky	dne
questing	dne
trusty	not-affected
xenial	not-affected

tomcat7

bionic	not-affected
focal	dne
jammy	dne
noble	dne
oracular	dne
plucky	dne
questing	dne
trusty	not-affected
xenial	not-affected

tomcat8

bionic	not-affected
focal	dne
jammy	dne
noble	dne
oracular	dne
plucky	dne
questing	dne
xenial	not-affected

tomcat10

focal	dne
jammy	dne
noble	Fixed 10.1.16-1ubuntu0.1~esm3 released
oracular	ignored
plucky	not-affected
questing	not-affected

tomcat9

bionic	needed
focal	needed
jammy	needed
noble	needed
oracular	ignored
plucky	needed
questing	needed

Common Weakness Enumeration

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
The software checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the software to perform invalid actions when the resource is in an unexpected state.

References

https://lists.apache.org/thread/y6lj6q1xnp822g6ro70tn19sgtjmr80r

http://www.openwall.com/lists/oss-security/2024/12/17/4

http://www.openwall.com/lists/oss-security/2024/12/18/2

https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html

https://security.netapp.com/advisory/ntap-20250103-0003/