Vulnerability Description
In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | >= 9.10.0, <= 9.11.21 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Synology | Dns Server | < 2.2.2-5027 |
| Netapp | Steelstore Cloud Integrated Storage | - |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing ListThird Party Advisory
- https://kb.isc.org/docs/cve-2020-8623Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00053.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202008-19Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200827-0003/Third Party Advisory
- https://usn.ubuntu.com/4468-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4752Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_19Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing ListThird Party Advisory
- https://kb.isc.org/docs/cve-2020-8623Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00053.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-8623?
CVE-2020-8623 is a vulnerability with a CVSS score of 7.5 (HIGH). In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a speci...
How severe is CVE-2020-8623?
CVE-2020-8623 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8623?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind, Fedoraproject Fedora, Opensuse Leap, Debian Debian Linux, Canonical Ubuntu Linux.