VulnerabilityModified
CVE-2019-13207
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
CRITICAL 9.8EPSS 2.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.03% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- nlnetlabs/name server daemon
- Source
- cve@mitre.org
References
- https://github.com/NLnetLabs/nsd/issues/20Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/
- https://github.com/NLnetLabs/nsd/issues/20Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.