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curl supports "globbing" of URLs, in which a user can pass a numerical range to have the tool iterate over those numbers to do a sequence of transfers. In the globbing function that parses the numerical range, there was an omission that made curl read a byte beyond the end of the URL if given a carefully crafted, or just wrongly written, URL. The URL is stored in a heap based buffer, so it could then be made to wrongly read something else instead of crashing. An example of a URL that triggers the flaw would be `http://ur%20[0-60000000000000000000`.
Publish Date : 2017-10-05 Last Update Date : 2018-11-13
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CVSS Scores & Vulnerability Types
| CVSS Score |
4.3 |
| Confidentiality Impact |
Partial
(There is considerable informational disclosure.) |
| Integrity Impact |
None
(There is no impact to the integrity of the system) |
| Availability Impact |
None
(There is no impact to the availability of the system.) |
| Access Complexity |
Medium
(The access conditions are somewhat specialized. Some preconditions must be satistified to exploit) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
Overflow |
| CWE ID |
119 |
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Products Affected By CVE-2017-1000101
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Number Of Affected Versions By Product
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Vendor
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Product
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Vulnerable Versions
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Haxx |
Curl |
32 |
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References For CVE-2017-1000101
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Metasploit Modules Related To CVE-2017-1000101
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