CVE-2019-18934
HIGH severity · CVSS 7.3 · OS command injection
7.3CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txt ↗
Additional information
- NVD record
- https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txtPatch
- https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlAdvisory
- https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/Changelog
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCR6JP7MSRARTOGEHGST64G4FJGX5VK/
- http://www.openwall.com/lists/oss-security/2019/11/19/1Advisory