CVE-2019-13207 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nlnetlabs	Name Server Daemon	4.2.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/NLnetLabs/nsd/issues/20ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
https://github.com/NLnetLabs/nsd/issues/20ExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro

FAQ

What is CVE-2019-13207?

CVE-2019-13207 is a vulnerability with a CVSS score of 9.8 (CRITICAL). nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.

How severe is CVE-2019-13207?

CVE-2019-13207 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-13207?

Check the references section above for vendor advisories and patch information. Affected products include: Nlnetlabs Name Server Daemon.