Integer overflow in Varnish Cache - CVE-2017-12425

 

Integer overflow in Varnish Cache - CVE-2017-12425

Published: September 4, 2019


Vulnerability identifier: #VU20865
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-12425
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Varnish Software
Affected software:
Varnish Cache

Detailed vulnerability description

The vulnerability allows a remote attacker to perform denial of service attack.

The vulnerability exists due to integer overflow when processing HTTP requests. A remote attacker can send a specially crafted HTTP request, trigger integer overflow and restart the caching server.

Successful exploitation of this vulnerability may allow an attacker to perform denial if service (DoS) attack.


How to mitigate CVE-2017-12425

Install updates from vendor's website.

Sources