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Red Hat: CVE-2022-38177: CVE-2022-38177 bind: memory leak in ECDSA DNSSEC verification code (Multiple Advisories)

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Red Hat: CVE-2022-38177: CVE-2022-38177 bind: memory leak in ECDSA DNSSEC verification code (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/21/2022
Created
10/20/2022
Added
10/20/2022
Modified
12/15/2023

Description

By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

Solution(s)

  • redhat-upgrade-bind
  • redhat-upgrade-bind-chroot
  • redhat-upgrade-bind-debuginfo
  • redhat-upgrade-bind-debugsource
  • redhat-upgrade-bind-devel
  • redhat-upgrade-bind-dnssec-doc
  • redhat-upgrade-bind-dnssec-utils
  • redhat-upgrade-bind-dnssec-utils-debuginfo
  • redhat-upgrade-bind-export-devel
  • redhat-upgrade-bind-export-libs
  • redhat-upgrade-bind-export-libs-debuginfo
  • redhat-upgrade-bind-libs
  • redhat-upgrade-bind-libs-debuginfo
  • redhat-upgrade-bind-libs-lite
  • redhat-upgrade-bind-libs-lite-debuginfo
  • redhat-upgrade-bind-license
  • redhat-upgrade-bind-lite-devel
  • redhat-upgrade-bind-pkcs11
  • redhat-upgrade-bind-pkcs11-debuginfo
  • redhat-upgrade-bind-pkcs11-devel
  • redhat-upgrade-bind-pkcs11-libs
  • redhat-upgrade-bind-pkcs11-libs-debuginfo
  • redhat-upgrade-bind-pkcs11-utils
  • redhat-upgrade-bind-pkcs11-utils-debuginfo
  • redhat-upgrade-bind-sdb
  • redhat-upgrade-bind-sdb-chroot
  • redhat-upgrade-bind-sdb-debuginfo
  • redhat-upgrade-bind-utils
  • redhat-upgrade-bind-utils-debuginfo
  • redhat-upgrade-bind9-16
  • redhat-upgrade-bind9-16-chroot
  • redhat-upgrade-bind9-16-debuginfo
  • redhat-upgrade-bind9-16-debugsource
  • redhat-upgrade-bind9-16-devel
  • redhat-upgrade-bind9-16-dnssec-utils
  • redhat-upgrade-bind9-16-dnssec-utils-debuginfo
  • redhat-upgrade-bind9-16-doc
  • redhat-upgrade-bind9-16-libs
  • redhat-upgrade-bind9-16-libs-debuginfo
  • redhat-upgrade-bind9-16-license
  • redhat-upgrade-bind9-16-utils
  • redhat-upgrade-bind9-16-utils-debuginfo
  • redhat-upgrade-python3-bind
  • redhat-upgrade-python3-bind9-16

References

  • DSA-5235
  • CVE-2022-38177
  • RHSA-2022:6763
  • RHSA-2022:6765
  • RHSA-2022:6778
  • RHSA-2022:6779
  • RHSA-2022:6780
  • RHSA-2022:6781
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