VulnerabilityModified
CVE-2019-14513
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.
HIGH 7.5EPSS 1.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- thekelleys/dnsmasq · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/Slovejoy/dnsmasq-pre2.76Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00013.htmlMailing List, Third Party Advisory
- https://github.com/Slovejoy/dnsmasq-pre2.76Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00013.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.