Buffer overflow in ISC BIND - CVE-2020-8625

 

Buffer overflow in ISC BIND - CVE-2020-8625

Published: February 17, 2021


Vulnerability identifier: #VU50780
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-8625
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the SPNEGO implementation in the GSS-TSIG extension. A remote attacker can send a specially crafted DNS request to the server, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

ISC BIND
Arch Linux
Amazon Linux AMI
Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM System z (Structure A)
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, big endian
Anolis OS
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Ubuntu
openEuler
Fedora
Ansible Automation Platform
Red Hat Advanced Cluster Management for Kubernetes
Cloud Pak for Security (CP4S)
BIG-IQ Centralized Management
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
bind9 (Debian package)
bind9 (Ubuntu package)
bind (Red Hat package) main
bind-pkcs11-libs
bind
bind-chroot
bind-devel
bind-export-devel
bind-export-libs
bind-libs
bind-libs-lite
bind-lite-devel
bind-pkcs11
bind-pkcs11-devel
bind-pkcs11-utils
bind-license
bind-sdb-chroot
bind-utils
bind-sdb
bind-debugsource
bind-debuginfo
python3-bind
BIG-IP DDHD
BIG-IP SSLO
BIG-IP
BIG-IP LTM
BIG-IP Analytics
BIG-IP ASM
BIG-IP PEM
BIG-IP APM
BIG-IP AFM
BIG-IP GTM
BIG-IP FPS
BIG-IP Link Controller
BIG-IP DNS
BIG-IP AAM
Dell EMC VxRail Appliance
BIG-IP Advanced WAF
SINEC INS
Dell EMC Storage Monitoring and Reporting (SMR)
Data Computing Appliance (DCA)
IBM Netezza Host Management

How to mitigate CVE-2020-8625

Install updates from vendor's website.

ISC BIND - addressed in versions 9.11.28, 9.11.28-S1, 9.16.12, 9.16.12-S1, 9.17.2
Ansible Automation Platform - update to 1.2.4
Cloud Pak for Security (CP4S) - update to 1.8.0.0
bind9 (Debian package) - update to 1:9.11.5.P4+dfsg-5.1+deb10u3
SINEC INS - update to 1.0.1.1
Red Hat Advanced Cluster Management for Kubernetes - update to 2.1.5
Data Computing Appliance (DCA) - update to 4.3.0.0
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.6.0.0
IBM Netezza Host Management - update to 5.4.31.0
Dell EMC VxRail Appliance - update to 7.0.240
bind9 (Ubuntu package) - addressed in versions 1:9.8.1.dfsg.P1-4ubuntu0.32, 1:9.9.5.dfsg-3ubuntu0.19+esm4, 1:9.10.3.dfsg.P4-8ubuntu1.18, 1:9.11.3+dfsg-1ubuntu1.14, 1:9.16.1-0ubuntu2.6, 1:9.16.6-3ubuntu1.1
bind (Red Hat package) main - addressed in versions 9.8.2-0.68.rc1.el6_10.10, 9.9.4-29.el7_2.10, 9.9.4-50.el7_3.5, 9.9.4-51.el7_4.5, 9.9.4-74.el7_6.6, 9.11.4-9.P2.el7_7.4, 9.11.4-26.P2.el7_9.4, 9.11.4-26.P2.el8_1.4, 9.11.13-6.el8_2.2, 9.11.20-5.el8_3.1
bind-pkcs11-libs - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-chroot - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-devel - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-export-devel - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-export-libs - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-libs - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-libs-lite - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-lite-devel - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-pkcs11 - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-pkcs11-devel - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-pkcs11-utils - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-license - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-sdb-chroot - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-utils - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-sdb - addressed in versions 9.11.4-26.P2, 9.11.36-3
bind-sdb - update to 9.11.21-5
bind - update to 9.11.21-5
bind-debugsource - update to 9.11.21-5
bind-devel - update to 9.11.21-5
bind-pkcs11-devel - update to 9.11.21-5
bind-debuginfo - update to 9.11.21-5
bind-chroot - update to 9.11.21-5
bind-utils - update to 9.11.21-5
bind-libs-lite - update to 9.11.21-5
bind-export-libs - update to 9.11.21-5
bind-pkcs11 - update to 9.11.21-5
bind-sdb-chroot - update to 9.11.21-5
bind-libs - update to 9.11.21-5
python3-bind - update to 9.11.21-5
bind-export-devel - update to 9.11.21-5
bind - addressed in versions 9.11.28-1.fc32, 9.11.28-1.fc33, 9.16.11-5.fc34
python3-bind - update to 9.11.36-3

External References

Related Security Bulletins