CVE-2019-18934

Public Exploit

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.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.03% Top 25%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory nlnetlabs.nl Vendor Advisory nlnetlabs.nl
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2019/11/19/1 mailing list exploit third party advisory
https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt patch vendor advisory
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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-18934?
CVE-2019-18934 has been scored as a high severity vulnerability.
How to fix CVE-2019-18934?
To fix CVE-2019-18934, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18934 being actively exploited in the wild?
It is possible that CVE-2019-18934 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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