CVE-2015-4050

NameCVE-2015-4050
DescriptionFragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3276-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
symfony (PTS)jessie, jessie (lts)2.3.21+dfsg-4+deb8u6fixed
stretch (security)2.8.7+dfsg-1.3+deb9u3fixed
stretch (lts), stretch2.8.7+dfsg-1.3+deb9u5fixed
buster (security), buster, buster (lts)3.4.22+dfsg-2+deb10u3fixed
bullseye4.4.19+dfsg-2+deb11u6fixed
bookworm5.4.23+dfsg-1+deb12u2fixed
bookworm (security)5.4.23+dfsg-1+deb12u4fixed
sid, trixie6.4.16+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
symfonysourcejessie2.3.21+dfsg-4+deb8u1DSA-3276-1
symfonysource(unstable)2.7.0~beta2+dfsg-2

Notes

https://github.com/fabpot/symfony/commit/d320d27699abcea12479cf608908fa91bcc133d4
http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access

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