CVE-2016-6816

Published Mar 20, 2017

Last updated a month ago

Overview

Description
The code in Apache Tomcat 9.0.0.M1 to 9.0.0.M11, 8.5.0 to 8.5.6, 8.0.0.RC1 to 8.0.38, 7.0.0 to 7.0.72, and 6.0.0 to 6.0.47 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 and/or obtain sensitive information from requests other then their own.
Source
security@apache.org
NVD status
Modified
Products
tomcat

Risk scores

CVSS 3.0

Type
Primary
Base score
7.1
Impact score
3.7
Exploitability score
2.8
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.8
Impact score
6.4
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.