Vulnerability Name:

CVE-2019-13207 (CCN-166002)

Assigned:2019-06-28
Published:2019-06-28
Updated:2020-08-24
Summary:nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-13207

Source: XF
Type: UNKNOWN
nlnetlabs-cve201913207-bo(166002)

Source: CCN
Type: NSD GIT Repository
Stack-based Buffer Overflow in the dname_concatenate() function #20

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/NLnetLabs/nsd/issues/20

Source: FEDORA
Type: UNKNOWN
FEDORA-2019-96fe76e02b

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nlnetlabs:name_server_daemon:4.2.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:nlnetlabs:name_server_daemon:4.2.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113042
    P
    nsd-4.3.7-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106482
    P
    nsd-4.3.7-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:100275
    P
    (Moderate)
    2021-05-04
    oval:org.opensuse.security:def:93562
    P
    (Important)
    2021-04-30
    oval:org.opensuse.security:def:103090
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:109747
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:96400
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:110369
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:35492
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:110911
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:org.opensuse.security:def:11026
    P
    Security update for nsd (Moderate)
    2020-12-10
    oval:com.ubuntu.cosmic:def:2019132070000000
    V
    CVE-2019-13207 on Ubuntu 18.10 (cosmic) - medium.
    2019-07-03
    oval:com.ubuntu.bionic:def:2019132070000000
    V
    CVE-2019-13207 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-07-03
    oval:com.ubuntu.xenial:def:2019132070000000
    V
    CVE-2019-13207 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-07-03
    oval:com.ubuntu.disco:def:2019132070000000
    V
    CVE-2019-13207 on Ubuntu 19.04 (disco) - medium.
    2019-07-03
    BACK
    nlnetlabs name server daemon 4.2.0
    nlnetlabs name server daemon 4.2.0