Directory Traversal Affecting yaws package, versions <1.91-2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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-DEBIAN13-YAWS-5701877
- published7 Jul 2017
- disclosed7 Jul 2017
Introduced: 7 Jul 2017
CVE-2017-10974 (opens in a new tab)How to fix?
Upgrade Debian:13 yaws to version 1.91-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream yaws package and not the yaws package as distributed by Debian.
See How to fix? for Debian:13 relevant fixed versions and status.
Yaws 1.91 allows Unauthenticated Remote File Disclosure via HTTP Directory Traversal with /%5C../ to port 8080. NOTE: this CVE is only about use of an initial /%5C sequence to defeat traversal protection mechanisms; the initial /%5C sequence was apparently not discussed in earlier research on this product.
References
- https://security-tracker.debian.org/tracker/CVE-2017-10974
- https://www.exploit-db.com/exploits/42303/
- http://hyp3rlinx.altervista.org/advisories/YAWS-WEB-SERVER-v1.91-UNAUTHENTICATED-REMOTE-FILE-DISCLOSURE.txt
- http://www.securityfocus.com/bid/99515
- https://www.exploit-db.com/exploits/42303
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-10974.yaml