Vulnerability Details : CVE-2020-8623
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
Products affected by CVE-2020-8623
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
- cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:*
Threat overview for CVE-2020-8623
Top countries where our scanners detected CVE-2020-8623
Top open port discovered on systems with this issue
53
IPs affected by CVE-2020-8623 938,549
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2020-8623!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2020-8623
2.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8623
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Internet Systems Consortium (ISC) |
CWE ids for CVE-2020-8623
-
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8623
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
[security-announce] openSUSE-SU-2020:1701-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
[SECURITY] Fedora 31 Update: bind-dyndb-ldap-11.2-4.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202008-19
BIND: Multiple vulnerabilities (GLSA 202008-19) — Gentoo securityThird Party Advisory
-
https://kb.isc.org/docs/cve-2020-8623
CVE-2020-8623: A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c - Security AdvisoriesVendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
[security-announce] openSUSE-SU-2020:1699-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html
[SECURITY] [DLA 2355-1] bind9 security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4752
Debian -- Security Information -- DSA-4752-1 bind9Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20200827-0003/
August 2020 ISC BIND Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://usn.ubuntu.com/4468-1/
USN-4468-1: Bind vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
[SECURITY] Fedora 32 Update: bind-9.11.22-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.synology.com/security/advisory/Synology_SA_20_19
Synology Inc.Third Party Advisory
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