SB2017070714 - Path traversal in yaws.hyber Yaws



SB2017070714 - Path traversal in yaws.hyber Yaws

Published: July 7, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017070714
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Path traversal (CVE-ID: CVE-2017-10974)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

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.


Remediation

Install update from vendor's website.