SB2017091409 - Amazon Linux AMI update for nginx



SB2017091409 - Amazon Linux AMI update for nginx

Published: September 14, 2017 Updated: December 19, 2023

Security Bulletin ID SB2017091409
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) Integer overflow (CVE-ID: CVE-2017-7529)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to integer overflow when processing specially crafted requests. A remote attacker can send a malicious request to vulnerable server and gain access to potentially sensitive information.
 
When using nginx with standard modules this allows an attacker to obtain a cache file header if a response was returned from cache. In some configurations a cache file header may contain IP address of the backend server or other sensitive information.

Remediation

Install update from vendor's website.