medium
4.3
CWE
269
Advisory Published
CVE Published
Updated

CVE-2020-8624: update-policy rules of type "subdomain" are enforced incorrectly

First published: Wed Jul 29 2020(Updated: )

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.

Credit: security-officer@isc.org security-officer@isc.org

Affected SoftwareAffected VersionHow to fix
ISC BIND>=9.9.12<=9.9.13
ISC BIND>=9.10.7<=9.10.8
ISC BIND>=9.11.3<=9.11.21
ISC BIND>=9.12.1<=9.16.5
ISC BIND>=9.17.0<=9.17.3
ISC BIND=9.9.12-s1
ISC BIND=9.9.13-s1
ISC BIND=9.11.3-s1
ISC BIND=9.11.21-s1
Netapp Steelstore Cloud Integrated Storage
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Debian Debian Linux=10.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
openSUSE Leap=15.1
openSUSE Leap=15.2
IBM Cloud Pak for Security (CP4S)<=1.7.2.0
IBM Cloud Pak for Security (CP4S)<=1.7.1.0
IBM Cloud Pak for Security (CP4S)<=1.7.0.0
debian/bind9
1:9.16.50-1~deb11u2
1:9.16.50-1~deb11u1
1:9.18.28-1~deb12u2
1:9.20.4-3

Remedy

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.11.22 BIND 9.16.6 BIND 9.17.4 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9.11.22-S1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-8624?

    CVE-2020-8624 is a vulnerability in ISC BIND that could allow a remote authenticated attacker to bypass security restrictions.

  • Which versions of BIND are affected by CVE-2020-8624?

    Versions 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, and 9.17.0 -> 9.17.3 are affected.

  • How can an attacker exploit CVE-2020-8624?

    An attacker who has been granted privileges to change a specific subset of the zone's content could exploit this vulnerability.

  • What is the severity of CVE-2020-8624?

    The severity of CVE-2020-8624 is high with a CVSS score of 4.3.

  • How do I fix CVE-2020-8624?

    To fix CVE-2020-8624, upgrade BIND to a version that is not affected by the vulnerability.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203