CVE Vulnerability

CVE-2019-18934

Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.3 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog Release Notes
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/ Release Notes Vendor Advisory
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2019/11/19/1 Exploit Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/ Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Information

Published : 2019-11-19 06:15

Updated : 2022-04-22 07:57

NVD link : CVE-2019-18934

Mitre link : CVE-2019-18934

Products Affected

Nlnetlabs

Unbound

CWE
CWE-78