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OpenAdvisories
Medium ELSA-2020-5011 3 CVEs

Moderate: bind security and bug fix update (Oracle Linux 7)

Published Nov 17, 2020 · Updated Nov 17, 2020

Ecosystem: Oracle Linux

Summary

[32:9.11.4-26.P2.2]
- Fix unsupported algorithms validation (#rh1769876)

[32:9.11.4-26.P2.1]
- Fix tsig-request verify (CVE-2020-8622)
- Prevent PKCS11 daemon crash on crafted packet (CVE-2020-8623)
- Correct update-policy type subdomain to match documentation (CVE-2020-8624)

Fixed packages 16

ReleasePackageFixed in
Oracle Linux · 7 bind 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-chroot 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-devel 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-export-devel 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-export-libs 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-libs 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-libs-lite 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-license 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-lite-devel 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-pkcs11 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-pkcs11-devel 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-pkcs11-libs 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-pkcs11-utils 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-sdb 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-sdb-chroot 32:9.11.4-26.P2.el7_9.2
Oracle Linux · 7 bind-utils 32:9.11.4-26.P2.el7_9.2

Vulnerabilities 3

  • High 7.5
    CVE-2020-8623

    A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

    In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulner…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine
  • Medium 6.5
    CVE-2020-8622

    A truncated TSIG response can lead to an assertion failure

    In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, co…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine
  • Medium 4.3
    CVE-2020-8624

    update-policy rules of type "subdomain" are enforced incorrectly

    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 sp…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine