Amazon Linux AMI: CVE-2017-1000101: Security patch for curl (ALAS-2017-889)
Description
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`.
Solution(s)
- amazon-linux-upgrade-curl
- Lightweight Endpoint Agent
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- Real Risk Prioritization
- IT-Integrated Remediation Projects
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- Integrated Threat Feeds
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