CVE-2019-18934

HIGH

Unbound <1.9.4 - RCE

Title source: llm
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2019/11/19/1
Patch, Vendor Advisory x_refsource_misc
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt
Release Notes, Vendor Advisory x_refsource_confirm
https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html

Scores

CVSS v3 7.3
EPSS 0.0067
EPSS Percentile 71.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-78
Status published
Products (4)
fedoraproject/fedora 31
nlnetlabs/unbound 1.6.4 - 1.9.4
opensuse/leap 15.1
opensuse/leap 15.2
Published Nov 19, 2019
Tracked Since Feb 18, 2026