CVE-2018-11406

NameCVE-2018-11406
DescriptionAn issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. By default, a user's session is invalidated when the user is logged out. This behavior can be disabled through the invalidate_session option. In this case, CSRF tokens were not erased during logout which allowed for CSRF token fixation.
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)
ReferencesDSA-4262-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
symfony (PTS)jessie (security), jessie2.3.21+dfsg-4+deb8u3fixed
stretch (security), stretch2.8.7+dfsg-1.3+deb9u1fixed
buster3.4.19+dfsg-1fixed
sid3.4.20+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
symfonysource(unstable)3.4.12+dfsg-1medium
symfonysourcejessie(not affected)
symfonysourcestretch2.8.7+dfsg-1.3+deb9u1mediumDSA-4262-1

Notes

[jessie] - symfony <not-affected> (vulnerable code not present in branch 2.3)
https://symfony.com/blog/cve-2018-11406-csrf-token-fixation

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