Vulnerability in Isc Bind
CVE-2020-8618
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Isc Bind
- Isc Bind9 — versions 9.16.0 -> 9.16.3
- Netapp Steelstore_cloud_integrated_storage
- Canonical Ubuntu_linux — versions 20.04
- Opensuse Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Vendor Advisory)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- security-officer@isc.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-8618?
- CVE-2020-8618 is a medium-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 4.9/10. Published 2020-06-17.
- How severe is CVE-2020-8618?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2020-8618 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.