Critical severity · published Jul 3, 2019
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
9.8
CVSS
2%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Name Server Daemon · Nlnetlabs
4.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13207
Exploit
https://github.com/NLnetLabs/nsd/issues/20
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/
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