CVE-2017-1000101

Published: 04 October 2017

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`.

Priority

Low

CVSS 3 base score: 6.5

Status

Package Release Status
curl
Launchpad, Ubuntu, Debian
Upstream
Released (7.55.0)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (7.47.0-1ubuntu2.3)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (7.35.0-1ubuntu2.11)
Patches:
Upstream: https://curl.haxx.se/CVE-2017-1000101.patch
Upstream: https://github.com/curl/curl/commit/453e7a7a03a2cec749abd3878a48e728c515cca7