Directory Traversal Affecting yard package, versions <0.9.12-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-YARD-267375
- published28 Nov 2017
- disclosed28 Nov 2017
Introduced: 28 Nov 2017
CVE-2017-17042 (opens in a new tab)How to fix?
Upgrade Debian:unstable yard to version 0.9.12-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream yard package and not the yard package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files.