[SECURITY] [DLA 2596-1] tomcat8 security update
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Debian LTS Advisory DLA-2594-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Anton Gladky
March 15, 2021 https://wiki.debian.org/LTS
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Package : tomcat8
Version : 8.5.54-0+deb9u6
CVE ID : CVE-2021-24122 CVE-2021-25122 CVE-2021-25329
Three security issues have been detected in tomcat8.
CVE-2021-24122
When serving resources from a network location using the NTFS file system,
Apache Tomcat versions 8.5.0 to 8.5.59 is 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.
CVE-2021-25122
When responding to new h2c connection requests, Apache Tomcat could
duplicate request headers and a limited amount of request body from one
request to another meaning user A and user B could both see the results
of user A's request.
CVE-2021-25329
The fix for 2020-9484 was incomplete. When using Apache Tomcat 8.5.0 to
8.5.61 with a configuration edge case that was highly unlikely to be used,
the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both
the previously published prerequisites for CVE-2020-9484 and the
previously published mitigations for CVE-2020-9484 also apply to this
issue.
For Debian 9 stretch, these problems have been fixed in version
8.5.54-0+deb9u6.
We recommend that you upgrade your tomcat8 packages.
For the detailed security status of tomcat8 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tomcat8
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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