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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2016-8745

A bug in the error handling of the send file code for the NIO HTTP connector in Apache Tomcat 9.0.0.M1 to 9.0.0.M13, 8.5.0 to 8.5.8, 8.0.0.RC1 to 8.0.39, 7.0.0 to 7.0.73 and 6.0.16 to 6.0.48 resulted in the current Processor object being added to the Processor cache multiple times. This in turn meant that the same Processor could be used for concurrent requests. Sharing a Processor can result in information leakage between requests including, not not limited to, session ID and the response body. The bug was first noticed in 8.5.x onwards where it appears the refactoring of the Connector code for 8.5.x onwards made it more likely that the bug was observed. Initially it was thought that the 8.5.x refactoring introduced the bug but further investigation has shown that the bug is present in all currently supported Tomcat versions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.174
EPSS Ranking 94.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2016-8745
  • Apache » Tomcat » Version: 7.0.0
    cpe:2.3:a:apache:tomcat:7.0.0
  • Apache » Tomcat » Version: 7.0.1
    cpe:2.3:a:apache:tomcat:7.0.1
  • Apache » Tomcat » Version: 7.0.11
    cpe:2.3:a:apache:tomcat:7.0.11
  • Apache » Tomcat » Version: 7.0.12
    cpe:2.3:a:apache:tomcat:7.0.12
  • Apache » Tomcat » Version: 7.0.13
    cpe:2.3:a:apache:tomcat:7.0.13
  • Apache » Tomcat » Version: 7.0.14
    cpe:2.3:a:apache:tomcat:7.0.14
  • Apache » Tomcat » Version: 7.0.15
    cpe:2.3:a:apache:tomcat:7.0.15
  • Apache » Tomcat » Version: 7.0.16
    cpe:2.3:a:apache:tomcat:7.0.16
  • Apache » Tomcat » Version: 7.0.17
    cpe:2.3:a:apache:tomcat:7.0.17
  • Apache » Tomcat » Version: 7.0.18
    cpe:2.3:a:apache:tomcat:7.0.18
  • Apache » Tomcat » Version: 7.0.19
    cpe:2.3:a:apache:tomcat:7.0.19
  • Apache » Tomcat » Version: 7.0.2
    cpe:2.3:a:apache:tomcat:7.0.2
  • Apache » Tomcat » Version: 7.0.20
    cpe:2.3:a:apache:tomcat:7.0.20
  • Apache » Tomcat » Version: 7.0.21
    cpe:2.3:a:apache:tomcat:7.0.21
  • Apache » Tomcat » Version: 7.0.22
    cpe:2.3:a:apache:tomcat:7.0.22
  • Apache » Tomcat » Version: 7.0.23
    cpe:2.3:a:apache:tomcat:7.0.23
  • Apache » Tomcat » Version: 7.0.24
    cpe:2.3:a:apache:tomcat:7.0.24
  • Apache » Tomcat » Version: 7.0.25
    cpe:2.3:a:apache:tomcat:7.0.25
  • Apache » Tomcat » Version: 7.0.26
    cpe:2.3:a:apache:tomcat:7.0.26
  • Apache » Tomcat » Version: 7.0.27
    cpe:2.3:a:apache:tomcat:7.0.27
  • Apache » Tomcat » Version: 7.0.28
    cpe:2.3:a:apache:tomcat:7.0.28
  • Apache » Tomcat » Version: 7.0.29
    cpe:2.3:a:apache:tomcat:7.0.29
  • Apache » Tomcat » Version: 7.0.3
    cpe:2.3:a:apache:tomcat:7.0.3
  • Apache » Tomcat » Version: 7.0.30
    cpe:2.3:a:apache:tomcat:7.0.30
  • Apache » Tomcat » Version: 7.0.31
    cpe:2.3:a:apache:tomcat:7.0.31
  • Apache » Tomcat » Version: 7.0.32
    cpe:2.3:a:apache:tomcat:7.0.32
  • Apache » Tomcat » Version: 7.0.33
    cpe:2.3:a:apache:tomcat:7.0.33
  • Apache » Tomcat » Version: 7.0.34
    cpe:2.3:a:apache:tomcat:7.0.34
  • Apache » Tomcat » Version: 7.0.35
    cpe:2.3:a:apache:tomcat:7.0.35
  • Apache » Tomcat » Version: 7.0.36
    cpe:2.3:a:apache:tomcat:7.0.36
  • Apache » Tomcat » Version: 7.0.37
    cpe:2.3:a:apache:tomcat:7.0.37
  • Apache » Tomcat » Version: 7.0.38
    cpe:2.3:a:apache:tomcat:7.0.38
  • Apache » Tomcat » Version: 7.0.39
    cpe:2.3:a:apache:tomcat:7.0.39
  • Apache » Tomcat » Version: 7.0.4
    cpe:2.3:a:apache:tomcat:7.0.4
  • Apache » Tomcat » Version: 7.0.40
    cpe:2.3:a:apache:tomcat:7.0.40
  • Apache » Tomcat » Version: 7.0.41
    cpe:2.3:a:apache:tomcat:7.0.41
  • Apache » Tomcat » Version: 7.0.42
    cpe:2.3:a:apache:tomcat:7.0.42
  • Apache » Tomcat » Version: 7.0.43
    cpe:2.3:a:apache:tomcat:7.0.43
  • Apache » Tomcat » Version: 7.0.44
    cpe:2.3:a:apache:tomcat:7.0.44
  • Apache » Tomcat » Version: 7.0.45
    cpe:2.3:a:apache:tomcat:7.0.45
  • Apache » Tomcat » Version: 7.0.46
    cpe:2.3:a:apache:tomcat:7.0.46
  • Apache » Tomcat » Version: 7.0.47
    cpe:2.3:a:apache:tomcat:7.0.47
  • Apache » Tomcat » Version: 7.0.48
    cpe:2.3:a:apache:tomcat:7.0.48
  • Apache » Tomcat » Version: 7.0.49
    cpe:2.3:a:apache:tomcat:7.0.49
  • Apache » Tomcat » Version: 7.0.5
    cpe:2.3:a:apache:tomcat:7.0.5
  • Apache » Tomcat » Version: 7.0.50
    cpe:2.3:a:apache:tomcat:7.0.50
  • Apache » Tomcat » Version: 7.0.52
    cpe:2.3:a:apache:tomcat:7.0.52
  • Apache » Tomcat » Version: 7.0.53
    cpe:2.3:a:apache:tomcat:7.0.53
  • Apache » Tomcat » Version: 7.0.54
    cpe:2.3:a:apache:tomcat:7.0.54
  • Apache » Tomcat » Version: 7.0.55
    cpe:2.3:a:apache:tomcat:7.0.55
  • Apache » Tomcat » Version: 7.0.56
    cpe:2.3:a:apache:tomcat:7.0.56
  • Apache » Tomcat » Version: 7.0.57
    cpe:2.3:a:apache:tomcat:7.0.57
  • Apache » Tomcat » Version: 7.0.58
    cpe:2.3:a:apache:tomcat:7.0.58
  • Apache » Tomcat » Version: 7.0.59
    cpe:2.3:a:apache:tomcat:7.0.59
  • Apache » Tomcat » Version: 7.0.6
    cpe:2.3:a:apache:tomcat:7.0.6
  • Apache » Tomcat » Version: 7.0.60
    cpe:2.3:a:apache:tomcat:7.0.60
  • Apache » Tomcat » Version: 7.0.61
    cpe:2.3:a:apache:tomcat:7.0.61
  • Apache » Tomcat » Version: 7.0.62
    cpe:2.3:a:apache:tomcat:7.0.62
  • Apache » Tomcat » Version: 7.0.63
    cpe:2.3:a:apache:tomcat:7.0.63
  • Apache » Tomcat » Version: 7.0.64
    cpe:2.3:a:apache:tomcat:7.0.64
  • Apache » Tomcat » Version: 7.0.65
    cpe:2.3:a:apache:tomcat:7.0.65
  • Apache » Tomcat » Version: 7.0.66
    cpe:2.3:a:apache:tomcat:7.0.66
  • Apache » Tomcat » Version: 7.0.67
    cpe:2.3:a:apache:tomcat:7.0.67
  • Apache » Tomcat » Version: 7.0.68
    cpe:2.3:a:apache:tomcat:7.0.68
  • Apache » Tomcat » Version: 7.0.69
    cpe:2.3:a:apache:tomcat:7.0.69
  • Apache » Tomcat » Version: 7.0.7
    cpe:2.3:a:apache:tomcat:7.0.7
  • Apache » Tomcat » Version: 7.0.70
    cpe:2.3:a:apache:tomcat:7.0.70
  • Apache » Tomcat » Version: 7.0.71
    cpe:2.3:a:apache:tomcat:7.0.71
  • Apache » Tomcat » Version: 7.0.72
    cpe:2.3:a:apache:tomcat:7.0.72
  • Apache » Tomcat » Version: 7.0.73
    cpe:2.3:a:apache:tomcat:7.0.73
  • Apache » Tomcat » Version: 7.0.8
    cpe:2.3:a:apache:tomcat:7.0.8
  • Apache » Tomcat » Version: 7.0.9
    cpe:2.3:a:apache:tomcat:7.0.9
  • Apache » Tomcat » Version: 8.0
    cpe:2.3:a:apache:tomcat:8.0
  • Apache » Tomcat » Version: 8.0.0
    cpe:2.3:a:apache:tomcat:8.0.0
  • Apache » Tomcat » Version: 8.0.1
    cpe:2.3:a:apache:tomcat:8.0.1
  • Apache » Tomcat » Version: 8.0.10
    cpe:2.3:a:apache:tomcat:8.0.10
  • Apache » Tomcat » Version: 8.0.11
    cpe:2.3:a:apache:tomcat:8.0.11
  • Apache » Tomcat » Version: 8.0.12
    cpe:2.3:a:apache:tomcat:8.0.12
  • Apache » Tomcat » Version: 8.0.13
    cpe:2.3:a:apache:tomcat:8.0.13
  • Apache » Tomcat » Version: 8.0.14
    cpe:2.3:a:apache:tomcat:8.0.14
  • Apache » Tomcat » Version: 8.0.15
    cpe:2.3:a:apache:tomcat:8.0.15
  • Apache » Tomcat » Version: 8.0.16
    cpe:2.3:a:apache:tomcat:8.0.16
  • Apache » Tomcat » Version: 8.0.17
    cpe:2.3:a:apache:tomcat:8.0.17
  • Apache » Tomcat » Version: 8.0.18
    cpe:2.3:a:apache:tomcat:8.0.18
  • Apache » Tomcat » Version: 8.0.19
    cpe:2.3:a:apache:tomcat:8.0.19
  • Apache » Tomcat » Version: 8.0.2
    cpe:2.3:a:apache:tomcat:8.0.2
  • Apache » Tomcat » Version: 8.0.20
    cpe:2.3:a:apache:tomcat:8.0.20
  • Apache » Tomcat » Version: 8.0.21
    cpe:2.3:a:apache:tomcat:8.0.21
  • Apache » Tomcat » Version: 8.0.22
    cpe:2.3:a:apache:tomcat:8.0.22
  • Apache » Tomcat » Version: 8.0.23
    cpe:2.3:a:apache:tomcat:8.0.23
  • Apache » Tomcat » Version: 8.0.24
    cpe:2.3:a:apache:tomcat:8.0.24
  • Apache » Tomcat » Version: 8.0.25
    cpe:2.3:a:apache:tomcat:8.0.25
  • Apache » Tomcat » Version: 8.0.26
    cpe:2.3:a:apache:tomcat:8.0.26
  • Apache » Tomcat » Version: 8.0.27
    cpe:2.3:a:apache:tomcat:8.0.27
  • Apache » Tomcat » Version: 8.0.28
    cpe:2.3:a:apache:tomcat:8.0.28
  • Apache » Tomcat » Version: 8.0.29
    cpe:2.3:a:apache:tomcat:8.0.29
  • Apache » Tomcat » Version: 8.0.3
    cpe:2.3:a:apache:tomcat:8.0.3
  • Apache » Tomcat » Version: 8.0.30
    cpe:2.3:a:apache:tomcat:8.0.30
  • Apache » Tomcat » Version: 8.0.31
    cpe:2.3:a:apache:tomcat:8.0.31
  • Apache » Tomcat » Version: 8.0.32
    cpe:2.3:a:apache:tomcat:8.0.32
  • Apache » Tomcat » Version: 8.0.33
    cpe:2.3:a:apache:tomcat:8.0.33
  • Apache » Tomcat » Version: 8.0.34
    cpe:2.3:a:apache:tomcat:8.0.34
  • Apache » Tomcat » Version: 8.0.35
    cpe:2.3:a:apache:tomcat:8.0.35
  • Apache » Tomcat » Version: 8.0.36
    cpe:2.3:a:apache:tomcat:8.0.36
  • Apache » Tomcat » Version: 8.0.37
    cpe:2.3:a:apache:tomcat:8.0.37
  • Apache » Tomcat » Version: 8.0.38
    cpe:2.3:a:apache:tomcat:8.0.38
  • Apache » Tomcat » Version: 8.0.39
    cpe:2.3:a:apache:tomcat:8.0.39
  • Apache » Tomcat » Version: 8.0.4
    cpe:2.3:a:apache:tomcat:8.0.4
  • Apache » Tomcat » Version: 8.0.5
    cpe:2.3:a:apache:tomcat:8.0.5
  • Apache » Tomcat » Version: 8.0.6
    cpe:2.3:a:apache:tomcat:8.0.6
  • Apache » Tomcat » Version: 8.0.7
    cpe:2.3:a:apache:tomcat:8.0.7
  • Apache » Tomcat » Version: 8.0.8
    cpe:2.3:a:apache:tomcat:8.0.8
  • Apache » Tomcat » Version: 8.0.9
    cpe:2.3:a:apache:tomcat:8.0.9
  • Apache » Tomcat » Version: 8.5.0
    cpe:2.3:a:apache:tomcat:8.5.0
  • Apache » Tomcat » Version: 8.5.1
    cpe:2.3:a:apache:tomcat:8.5.1
  • Apache » Tomcat » Version: 8.5.2
    cpe:2.3:a:apache:tomcat:8.5.2
  • Apache » Tomcat » Version: 8.5.3
    cpe:2.3:a:apache:tomcat:8.5.3
  • Apache » Tomcat » Version: 8.5.4
    cpe:2.3:a:apache:tomcat:8.5.4
  • Apache » Tomcat » Version: 8.5.5
    cpe:2.3:a:apache:tomcat:8.5.5
  • Apache » Tomcat » Version: 8.5.6
    cpe:2.3:a:apache:tomcat:8.5.6
  • Apache » Tomcat » Version: 8.5.7
    cpe:2.3:a:apache:tomcat:8.5.7
  • Apache » Tomcat » Version: 8.5.8
    cpe:2.3:a:apache:tomcat:8.5.8
  • Apache » Tomcat » Version: 9.0.0
    cpe:2.3:a:apache:tomcat:9.0.0


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