CVE-2017-7674

NameCVE-2017-7674
DescriptionThe CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1400-1, DSA-3974-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat7 (PTS)stretch7.0.75-1fixed
tomcat8 (PTS)stretch8.5.54-0+deb9u1fixed
stretch (security)8.5.54-0+deb9u4fixed
tomcat9 (PTS)buster, buster (security)9.0.31-1~deb10u2fixed
bullseye, sid9.0.40-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat7sourcewheezy(not affected)
tomcat7sourcejessie7.0.56-3+really7.0.88-1DLA-1400-1
tomcat7source(unstable)7.0.72-3
tomcat8sourcejessie8.0.14-1+deb8u11DSA-3974-1
tomcat8sourcestretch8.5.14-1+deb9u2DSA-3974-1
tomcat8source(unstable)8.5.16-1
tomcat9source(unstable)(not affected)

Notes

- tomcat9 <not-affected> (Fixed before initial upload to Debian)
[wheezy] - tomcat7 <not-affected> (Vulnerable code not present)
Since 7.0.72-3, src:tomcat7 only builds the Servlet API
Fixed by: http://svn.apache.org/r1795814 (8.5.x)
Fixed by: http://svn.apache.org/r1795815 (8.0.x)
Fixed by: http://svn.apache.org/r1795816 (7.0.x)
https://bz.apache.org/bugzilla/show_bug.cgi?id=61101

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