Impact: Important Public Date: 2019-08-09 CWE: CWE-119 Bugzilla: 1739422: CVE-2019-14513 dnsmasq: Improper bounds checking leads to a buffer overread Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-14513 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | dnsmasq | Under investigation |
| Red Hat OpenStack Platform 14.0 (Rocky) | dnsmasq | Under investigation |
| Red Hat OpenStack Platform 13.0 (Queens) | dnsmasq | Under investigation |
| Red Hat OpenStack Platform 10 | dnsmasq | Under investigation |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | dnsmasq | Under investigation |
| Red Hat Enterprise Linux 8 | dnsmasq | Under investigation |
| Red Hat Enterprise Linux 7 | dnsmasq | Under investigation |
| Red Hat Enterprise Linux 6 | dnsmasq | Under investigation |
| Red Hat Enterprise Linux 5 | dnsmasq | Under investigation |
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