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nginx 1.1.3 - 1.15.5 Denial of Service and Memory Disclosure via mp4 module
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A security issue was identified in the ngx_http_mp4_module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file.
Insight
Insight
The issue only affects nginx if it is built with the ngx_http_mp4_module (the module is not built by default) and the 'mp4' directive is used in the configuration file. Further, the attack is only possible if an attacker is able to trigger processing of a specially crafted mp4 file with the ngx_http_mp4_module.
Affected Software
Affected Software
nginx versions 1.1.3 through 1.15.5.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade nginx to version 1.15.6.