Vulnerability Details CVE-2017-9502
In curl before 7.54.1 on Windows and DOS, libcurl's default protocol function, which is the logic that allows an application to set which protocol libcurl should attempt to use when given a URL without a scheme part, had a flaw that could lead to it overwriting a heap based memory buffer with seven bytes. If the default protocol is specified to be FILE or a file: URL lacks two slashes, the given "URL" starts with a drive letter, and libcurl is built for Windows or DOS, then libcurl would copy the path 7 bytes off, so that the end of the given path would write beyond the malloc buffer (7 bytes being the length in bytes of the ascii string "file://").
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.0%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
Products affected by CVE-2017-9502
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cpe:2.3:a:haxx:curl:6.3.1
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cpe:2.3:a:haxx:curl:6.5.1
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cpe:2.3:a:haxx:curl:6.5.2
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cpe:2.3:a:haxx:curl:7.1.1
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cpe:2.3:a:haxx:curl:7.10.1
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cpe:2.3:a:haxx:curl:7.10.2
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cpe:2.3:a:haxx:curl:7.10.3
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cpe:2.3:a:haxx:curl:7.10.4
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cpe:2.3:a:haxx:curl:7.10.5
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cpe:2.3:a:haxx:curl:7.10.6
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cpe:2.3:a:haxx:curl:7.10.7
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cpe:2.3:a:haxx:curl:7.10.8
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cpe:2.3:a:haxx:curl:7.11.0
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cpe:2.3:a:haxx:curl:7.11.1
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cpe:2.3:a:haxx:curl:7.11.2
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cpe:2.3:a:haxx:curl:7.12.0
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cpe:2.3:a:haxx:curl:7.12.1
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cpe:2.3:a:haxx:curl:7.12.2
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cpe:2.3:a:haxx:curl:7.12.3
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cpe:2.3:a:haxx:curl:7.13.0
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cpe:2.3:a:haxx:curl:7.13.1
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cpe:2.3:a:haxx:curl:7.13.2
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cpe:2.3:a:haxx:curl:7.14.0
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cpe:2.3:a:haxx:curl:7.14.1
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cpe:2.3:a:haxx:curl:7.15.0
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cpe:2.3:a:haxx:curl:7.15.1
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cpe:2.3:a:haxx:curl:7.15.2
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cpe:2.3:a:haxx:curl:7.15.3
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cpe:2.3:a:haxx:curl:7.15.4
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cpe:2.3:a:haxx:curl:7.15.5
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cpe:2.3:a:haxx:curl:7.16.0
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cpe:2.3:a:haxx:curl:7.16.1
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cpe:2.3:a:haxx:curl:7.16.2
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cpe:2.3:a:haxx:curl:7.16.3
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cpe:2.3:a:haxx:curl:7.16.4
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cpe:2.3:a:haxx:curl:7.17.0
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cpe:2.3:a:haxx:curl:7.17.1
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cpe:2.3:a:haxx:curl:7.18.0
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cpe:2.3:a:haxx:curl:7.18.1
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cpe:2.3:a:haxx:curl:7.18.2
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cpe:2.3:a:haxx:curl:7.19.0
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cpe:2.3:a:haxx:curl:7.19.1
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cpe:2.3:a:haxx:curl:7.19.2
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cpe:2.3:a:haxx:curl:7.19.3
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cpe:2.3:a:haxx:curl:7.19.4
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cpe:2.3:a:haxx:curl:7.19.5
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cpe:2.3:a:haxx:curl:7.19.6
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cpe:2.3:a:haxx:curl:7.19.7
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cpe:2.3:a:haxx:curl:7.19.7-53
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cpe:2.3:a:haxx:curl:7.2.1
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cpe:2.3:a:haxx:curl:7.20.0
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cpe:2.3:a:haxx:curl:7.20.1
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cpe:2.3:a:haxx:curl:7.21.0
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cpe:2.3:a:haxx:curl:7.21.1
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cpe:2.3:a:haxx:curl:7.21.2
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cpe:2.3:a:haxx:curl:7.21.3
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cpe:2.3:a:haxx:curl:7.21.4
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cpe:2.3:a:haxx:curl:7.21.5
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cpe:2.3:a:haxx:curl:7.21.6
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cpe:2.3:a:haxx:curl:7.21.7
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cpe:2.3:a:haxx:curl:7.22.0
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cpe:2.3:a:haxx:curl:7.23.0
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cpe:2.3:a:haxx:curl:7.23.1
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cpe:2.3:a:haxx:curl:7.24.0
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cpe:2.3:a:haxx:curl:7.25.0
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cpe:2.3:a:haxx:curl:7.26.0
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cpe:2.3:a:haxx:curl:7.27.0
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cpe:2.3:a:haxx:curl:7.28.0
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cpe:2.3:a:haxx:curl:7.28.1
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cpe:2.3:a:haxx:curl:7.29.0
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cpe:2.3:a:haxx:curl:7.30.0
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cpe:2.3:a:haxx:curl:7.31.0
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cpe:2.3:a:haxx:curl:7.32.0
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cpe:2.3:a:haxx:curl:7.33.0
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cpe:2.3:a:haxx:curl:7.34.0
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cpe:2.3:a:haxx:curl:7.35.0
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cpe:2.3:a:haxx:curl:7.36.0
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cpe:2.3:a:haxx:curl:7.37.0
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cpe:2.3:a:haxx:curl:7.37.1
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cpe:2.3:a:haxx:curl:7.38.0
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cpe:2.3:a:haxx:curl:7.39.0
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cpe:2.3:a:haxx:curl:7.4.1
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cpe:2.3:a:haxx:curl:7.4.2
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cpe:2.3:a:haxx:curl:7.40.0
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cpe:2.3:a:haxx:curl:7.41.0
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cpe:2.3:a:haxx:curl:7.42.0
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cpe:2.3:a:haxx:curl:7.42.1
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cpe:2.3:a:haxx:curl:7.43.0
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cpe:2.3:a:haxx:curl:7.44.0
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cpe:2.3:a:haxx:curl:7.45.0
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cpe:2.3:a:haxx:curl:7.46.0
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cpe:2.3:a:haxx:curl:7.47.0
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cpe:2.3:a:haxx:curl:7.47.1
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cpe:2.3:a:haxx:curl:7.48.0
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cpe:2.3:a:haxx:curl:7.49.0
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cpe:2.3:a:haxx:curl:7.49.1
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cpe:2.3:a:haxx:curl:7.5.1
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cpe:2.3:a:haxx:curl:7.5.2
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cpe:2.3:a:haxx:curl:7.50.0
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cpe:2.3:a:haxx:curl:7.50.1
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cpe:2.3:a:haxx:curl:7.50.2
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cpe:2.3:a:haxx:curl:7.50.3
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cpe:2.3:a:haxx:curl:7.51.0
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cpe:2.3:a:haxx:curl:7.52.0
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cpe:2.3:a:haxx:curl:7.52.1
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cpe:2.3:a:haxx:curl:7.53.0
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cpe:2.3:a:haxx:curl:7.53.1
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cpe:2.3:a:haxx:curl:7.54.0
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cpe:2.3:a:haxx:curl:7.6.1
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cpe:2.3:a:haxx:curl:7.7.1
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cpe:2.3:a:haxx:curl:7.7.2
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cpe:2.3:a:haxx:curl:7.7.3
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cpe:2.3:a:haxx:curl:7.8.1
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cpe:2.3:a:haxx:curl:7.9.1
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cpe:2.3:a:haxx:curl:7.9.2
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cpe:2.3:a:haxx:curl:7.9.3
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cpe:2.3:a:haxx:curl:7.9.4
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cpe:2.3:a:haxx:curl:7.9.5
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cpe:2.3:a:haxx:curl:7.9.6
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cpe:2.3:a:haxx:curl:7.9.7
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cpe:2.3:a:haxx:curl:7.9.8