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.

CVSS v3.0 7.3 HIGH
CVSS v2.0 6.8 MEDIUM

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

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CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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 Third Party Advisory
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 (hide)

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:o:opensuse:leap:15.2:::::::*

Information

Published : 2019-11-19 10:15

Updated : 2022-04-22 12:57

NVD link : CVE-2019-18934

Mitre link : CVE-2019-18934

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Products Affected

opensuse

leap

fedoraproject

fedora

nlnetlabs

unbound

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