CVE-2019-13207 : nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the d

nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.

Published 2019-07-03 20:15:12

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2019-13207

Nlnetlabs » Name Server Daemon » Version: 4.2.0
cpe:2.3:a:nlnetlabs:name_server_daemon:4.2.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.50%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 65 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB/

[SECURITY] Fedora 30 Update: nsd-4.2.2-1.fc30 - package-announce - Fedora Mailing-Lists
https://github.com/NLnetLabs/nsd/issues/20

Stack-based Buffer Overflow in the dname_concatenate() function · Issue #20 · NLnetLabs/nsd · GitHub
Exploit;Third Party Advisory

Jump to