ALT-PU-2021-1370-1

Package update bind in branch sisyphus

Version9.11.28-alt1

Published2021-02-18

Max severityHIGH

Severity:

Closed issues (2)

HIGH7.3

Уязвимость реализации механизма SPNEGO DNS-сервера BIND, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код

Published: 2021-03-09Modified: 2024-09-16

CVSS 3.xHIGH 7.3

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

References

CVE-2020-8625

HIGH8.1

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

Published: 2021-02-17Modified: 2024-11-21

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 3.xHIGH 8.1

CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References