Privilege escalation in Isc Bind
CVE-2020-8624
In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Isc Bind — versions 9.9.12, 9.9.13, 9.11.3
- Isc Bind9 — versions 9.9.12, unspecified, 9.10.7
- NetApp Steelstore Cloud Integrated Storage
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 31, 32
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.isc.org/docs/cve-2020-8624 (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20200827-0003/ (Third Party Advisory)
- usn.ubuntu.com/4468-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4752 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202008-19 (vendor-advisory, Third Party Advisory)
- www.synology.com/security/advisory/Synology_SA_20_19 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8624?
- CVE-2020-8624 is a medium-severity vulnerability in Isc Bind, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2020-08-21.
- How severe is CVE-2020-8624?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2020-8624 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.