CVE-2017-17042: Path Traversal
First published: Tue Nov 28 2017(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Yardoc Yard | <0.9.11 | |
| debian/yard | 0.9.16-1 0.9.16-1+deb10u1 0.9.24-1 0.9.24-1+deb11u1 0.9.28-2 0.9.28-2+deb12u2 0.9.36-1 | |
| ubuntu/yard | <0.9.12-1 | 0.9.12-1 |
| ubuntu/yard | <0.8.7.6+ | 0.8.7.6+ |
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Reference Links
- https://github.com/lsegal/yard/commit/b0217b3e30dc53d057b1682506333335975e62b4
- https://launchpad.net/bugs/cve/CVE-2017-17042
- https://security-tracker.debian.org/tracker/CVE-2017-17042
- https://www.cve.org/CVERecord?id=CVE-2017-17042
- https://ubuntu.com/security/notices/USN-6731-1
- https://nvd.nist.gov/vuln/detail/CVE-2017-17042
- https://ubuntu.com/security/CVE-2017-17042
Frequently Asked Questions
What is the severity of CVE-2017-17042?
CVE-2017-17042 has been classified with a moderate severity due to its ability to allow directory traversal attacks.
How do I fix CVE-2017-17042?
To fix CVE-2017-17042, upgrade YARD to version 0.9.11 or later.
What systems are affected by CVE-2017-17042?
CVE-2017-17042 affects YARD versions prior to 0.9.11.
What type of attack does CVE-2017-17042 enable?
CVE-2017-17042 enables directory traversal attacks that can allow unauthorized file access.
Is CVE-2017-17042 fixed in the latest version of YARD?
Yes, CVE-2017-17042 is resolved in YARD versions 0.9.11 and later.
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