MEDIUM · 6.5

CVE-2017-2666

It 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 charact...

Vulnerability Description

It 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.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
RedhatUndertow-
RedhatJboss Enterprise Application Platform7.0.0
RedhatEnterprise Linux6.0
DebianDebian Linux9.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-2666?

CVE-2017-2666 is a vulnerability with a CVSS score of 6.5 (MEDIUM). It 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 charact...

How severe is CVE-2017-2666?

CVE-2017-2666 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-2666?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Undertow, Redhat Jboss Enterprise Application Platform, Redhat Enterprise Linux, Debian Debian Linux.