Buffer overflow in Isc Bind
CVE-2020-8625
BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND's default settings the vulnerable code path is not exposed, but a server can be rendered vu…
Vulnerability class: Buffer Overflow
EPSS: 0.642 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Isc Bind — versions 9.11.3, 9.11.5, 9.11.6
- Isc Bind9 — versions Open Source Branches 9.5 though 9.11 9.5.0 through versions before 9.11.28, Open Source Branches 9.12 though 9.16 9.12.0 through versions before 9.16.12, Supported Preview Branch 9.11-S 9.11.3-S1 through versions before 9.11.28-S1
- Netapp 500f
- Netapp 500f_firmware
- Netapp A250
- Netapp A250_firmware
- Netapp Cloud_backup
- Siemens Sinec_infrastructure_network_services
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 32, 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security-officer@isc.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- security-officer@isc.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security-officer@isc.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- security-officer@isc.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- security-officer@isc.org (x_refsource_FEDORA, vendor-advisory)
- security-officer@isc.org (x_refsource_FEDORA, vendor-advisory)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-8625?
- CVE-2020-8625 is a high-severity vulnerability in Isc Bind, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2021-02-17.
- How severe is CVE-2020-8625?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2020-8625 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.