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CVE-2017-7559

Published: 10 January 2018

In Undertow 2.x before 2.0.0.Alpha2, 1.4.x before 1.4.17.Final, and 1.3.x before 1.3.31.Final, it was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. 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.

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
undertow
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(1.4.23-3)
cosmic Not vulnerable
(1.4.23-3)
impish Not vulnerable
(1.4.23-3)
groovy Not vulnerable
(1.4.23-3)
hirsute Not vulnerable
(1.4.23-3)
xenial Needed

disco Not vulnerable
(1.4.23-3)
eoan Not vulnerable
(1.4.23-3)
focal Not vulnerable
(1.4.23-3)
jammy Not vulnerable
(1.4.23-3)
kinetic Not vulnerable
(1.4.23-3)
lunar Does not exist

trusty Does not exist

upstream
Released (1.4.23-1)
zesty Ignored
(end of life)
mantic Does not exist

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N