It was discovered that nginx did not limit recursion when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to use an excessive amount of resources if nginx enabled the resolver in its configuration.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | nginx | 2016-02-19 15:50 | ALAS-2016-655 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
NVD | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |