Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nlnetlabs | Unbound | >= 1.6.4, <= 1.9.4 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/19/1ExploitMailing ListThird Party Advisory
- https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/ChangelogRelease Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txtPatchVendor Advisory
- https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/Release NotesVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/19/1ExploitMailing ListThird Party Advisory
- https://github.com/NLnetLabs/unbound/blob/release-1.9.5/doc/ChangelogRelease Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.nlnetlabs.nl/downloads/unbound/CVE-2019-18934.txtPatchVendor Advisory
- https://www.nlnetlabs.nl/news/2019/Nov/19/unbound-1.9.5-released/Release NotesVendor Advisory
FAQ
What is CVE-2019-18934?
CVE-2019-18934 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 ...
How severe is CVE-2019-18934?
CVE-2019-18934 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18934?
Check the references section above for vendor advisories and patch information. Affected products include: Nlnetlabs Unbound, Fedoraproject Fedora, Opensuse Leap.