<p>Upgrade <code>Debian:11</code> <code>tomcat9</code> to version 9.0.40-1 or higher.</p>

Information Exposure Affecting tomcat9 package, versions <9.0.40-1

Threat Intelligence

0.23% (62^nd percentile)

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Snyk ID SNYK-DEBIAN11-TOMCAT9-1061888
published 17 Jan 2021
disclosed 14 Jan 2021

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Introduced: 14 Jan 2021

CVE-2021-24122 Open this link in a new tab CWE-200 Open this link in a new tab

How to fix?

Upgrade Debian:11 tomcat9 to version 9.0.40-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

High
Privileges Required (PR)

None
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

None
Availability (A)

None

Information Exposure Affecting tomcat9 package, versions <9.0.40-1

Severity

Based on Debian security rating