A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | dnsmasq | 2017-10-02 17:05 | ALAS-2017-907 |
Amazon Linux 2 - Core | dnsmasq | 2019-07-18 18:22 | ALAS2-2019-1251 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Amazon Linux | CVSSv3 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv2 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |