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Oracle Solaris 11: CVE-2020-8625 (11.4 SRU 31.88.5)

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Oracle Solaris 11: CVE-2020-8625 (11.4 SRU 31.88.5)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
02/17/2021
Created
03/18/2021
Added
03/17/2021
Modified
01/19/2022

Description

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 vulnerable by explicitly setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where BIND is integrated with Samba, as well as in mixed-server environments that combine BIND servers with Active Directory domain controllers. The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affects: BIND 9.5.0 -> 9.11.27, 9.12.0 -> 9.16.11, and versions BIND 9.11.3-S1 -> 9.11.27-S1 and 9.16.8-S1 -> 9.16.11-S1 of BIND Supported Preview Edition. Also release versions 9.17.0 -> 9.17.1 of the BIND 9.17 development branch

Solution(s)

  • oracle-solaris-11-4-upgrade-value-network-dns-bind-9-11-28-0-0-11-4-31-0-1-88-2
  • oracle-solaris-11-4-upgrade-value-service-network-dns-bind-9-11-28-0-0-11-4-31-0-1-88-2

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