Vulnerability Details : CVE-2017-7559

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.
Published 2018-01-10 15:29:00
Updated 2019-10-09 23:29:46
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2017-7559

Threat overview for CVE-2017-7559

Top countries where our scanners detected CVE-2017-7559
Top open port discovered on systems with this issue 80
IPs affected by CVE-2017-7559 6
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2017-7559!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-7559

EPSS FAQ
1.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-7559

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
 NIST
6.1
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.8
2.7
 NIST

CWE ids for CVE-2017-7559

  • The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2017-7559

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