Stack-based Buffer Overflow in NSD by NLnet Labs
CVE-2019-13207

9.8CRITICAL

Key Information:

Vendor

Nlnetlabs

Status
Name Server Daemon
Vendor
CVE Published:
3 July 2019

What is CVE-2019-13207?

The nsd-checkzone utility in NLnet Labs NSD version 4.2.0 is affected by a stack-based buffer overflow due to inadequate checks in the dname_concatenate() function located in dname.c. This vulnerability may allow an attacker to exploit the affected software, potentially leading to arbitrary code execution or a denial of service. It is essential for administrators using the impacted version to apply available patches and updates to mitigate the risks posed by this security flaw.

References

https://github.com/NLnetLabs/nsd/issues/20
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.