CVE-2017-2666

NameCVE-2017-2666
DescriptionIt was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own.
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-3906-1
NVD severitymedium (attack range: remote)
Debian Bugs864405

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
undertow (PTS)sid1.4.25-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
undertowsource(unstable)1.4.18-1medium864405
undertowsourcestretch1.4.8-1+deb9u1mediumDSA-3906-1

Notes

https://issues.jboss.org/browse/UNDERTOW-1101
Fixed by https://github.com/undertow-io/undertow/commit/1e72647818c9fb31b693a953b1ae595a6c82eb7f

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