SB2020031940 - Input validation error in php7 (Alpine package)



SB2020031940 - Input validation error in php7 (Alpine package)

Published: March 19, 2020

Security Bulletin ID SB2020031940
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2020-7066)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to get_headers() PHP function silently truncates headers after receiving a NULL byte character. A remote attacker can abuse this behavior to bypass implemented security restrictions with in the application.


Remediation

Install update from vendor's website.