CVE-2018-19790

NameCVE-2018-19790
DescriptionAn open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_failure_path` input field of login forms, an attacker can work around the redirection target restrictions and effectively redirect the user to any domain after login.
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-1707-1, DSA-4441-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
symfony (PTS)jessie2.3.21+dfsg-4+deb8u3vulnerable
jessie (security)2.3.21+dfsg-4+deb8u5fixed
stretch2.8.7+dfsg-1.3+deb9u1vulnerable
stretch (security)2.8.7+dfsg-1.3+deb9u2fixed
bullseye, buster3.4.22+dfsg-2fixed
sid4.3.3+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
symfonysource(unstable)3.4.20+dfsg-1medium
symfonysourcejessie2.3.21+dfsg-4+deb8u4mediumDLA-1707-1
symfonysourcestretch2.8.7+dfsg-1.3+deb9u2mediumDSA-4441-1

Notes

https://symfony.com/blog/cve-2018-19790-open-redirect-vulnerability-when-using-security-http

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