PT-2019-13181 · Alt Linux+2 · Alt Linux+2

Fcambuso · Published 2019-07-03 · Updated 2024-06-15 · CVE-2019-13207

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NLnet Labs NSD version 4.2.0 ALT Linux (affected versions not specified)

Description The issue is related to a Stack-based Buffer Overflow in the dname concatenate() function in dname.c, which is part of the nsd-checkzone tool in NLnet Labs NSD. This overflow occurs due to insufficient validation of input data.

Recommendations For NLnet Labs NSD version 4.2.0, consider restricting access to the nsd-checkzone tool until a patch is available. For ALT Linux, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2019-2504

ALT-PU-2019-2527

CVE-2019-13207

OPENSUSE-SU-2020:2222-1

OPENSUSE-SU-2020_2222-1

OPENSUSE-SU-2024:11100-1

Affected Products

Alt Linux

Nlnet Labs Nsd

Suse

References · 19

• 🔥 https://github.com/NLnetLabs/nsd/issues/20 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-13207 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-13207 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FDS4H7WVHQGCX3LF72F5K22VJXN7HDBB · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:2222-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11100-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-13207 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-13207 · Security Note
• https://osv.dev/vulnerability/CVE-2019-13207 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-13207 · Security Note
• https://ubuntu.com/security/CVE-2019-13207 · Vendor Advisory
• https://github.com/NLnetLabs/nsd/commit/91102da24d5949ccfec8fdab5bae2d01c4cabab5 · Note
• https://suse.com/security/cve/CVE-2019-13207 · Note
• https://suse.com/security/cve/CVE-2012-2979 · Note
• https://bugzilla.suse.com/1179191 · Note