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Debian Security Advisory DSA 3974-1 (tomcat8 - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

2 years ago

Summary

Two issues were discovered in the Tomcat servlet and JSP engine. CVE-2017-7674 Rick Riemer discovered that the Cross-Origin Resource Sharing filter did not add a Vary header indicating possible different responses, which could lead to cache poisoning. CVE-2017-7675 (stretch only) Markus Dorschmidt found that the HTTP/2 implementation bypassed some security checks, thus allowing an attacker to conduct directory traversal attacks by using specially crafted URLs.

Affected Software

Affected Software

tomcat8 on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the oldstable distribution (jessie), these problems have been fixed in version 8.0.14-1+deb8u11. For the stable distribution (stretch), these problems have been fixed in version 8.5.14-1+deb9u2. We recommend that you upgrade your tomcat8 packages.

Common Vulnerabilities and Exposures (CVE)