SB2017101819 - Fedora EPEL 7 update for nginx
Published: October 18, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017101819
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- 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.