VulnerabilityModified
CVE-2020-8620
In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.
HIGH 7.5EPSS 3.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.69% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- isc/bind · opensuse/leap · netapp/steelstore cloud integrated storage · canonical/ubuntu linux
- Source
- security-officer@isc.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlThird Party Advisory
- https://kb.isc.org/docs/cve-2020-8620Vendor Advisory
- 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.synology.com/security/advisory/Synology_SA_20_19Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlThird Party Advisory
- https://kb.isc.org/docs/cve-2020-8620Vendor Advisory
- 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.synology.com/security/advisory/Synology_SA_20_19Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.