7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.9 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.8%
Issue Overview:
A vulnerability was found in BIND. The effectiveness of the cache-cleaning algorithm used in named can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured max-cache-size limit to exceed significantly. (CVE-2023-2828)
Affected Packages:
bind
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update bind to update your system.
New Packages:
aarch64:
bind-9.11.4-26.P2.amzn2.13.1.aarch64
bind-pkcs11-9.11.4-26.P2.amzn2.13.1.aarch64
bind-pkcs11-utils-9.11.4-26.P2.amzn2.13.1.aarch64
bind-pkcs11-libs-9.11.4-26.P2.amzn2.13.1.aarch64
bind-pkcs11-devel-9.11.4-26.P2.amzn2.13.1.aarch64
bind-sdb-9.11.4-26.P2.amzn2.13.1.aarch64
bind-libs-lite-9.11.4-26.P2.amzn2.13.1.aarch64
bind-libs-9.11.4-26.P2.amzn2.13.1.aarch64
bind-utils-9.11.4-26.P2.amzn2.13.1.aarch64
bind-devel-9.11.4-26.P2.amzn2.13.1.aarch64
bind-lite-devel-9.11.4-26.P2.amzn2.13.1.aarch64
bind-chroot-9.11.4-26.P2.amzn2.13.1.aarch64
bind-sdb-chroot-9.11.4-26.P2.amzn2.13.1.aarch64
bind-export-libs-9.11.4-26.P2.amzn2.13.1.aarch64
bind-export-devel-9.11.4-26.P2.amzn2.13.1.aarch64
bind-debuginfo-9.11.4-26.P2.amzn2.13.1.aarch64
i686:
bind-9.11.4-26.P2.amzn2.13.1.i686
bind-pkcs11-9.11.4-26.P2.amzn2.13.1.i686
bind-pkcs11-utils-9.11.4-26.P2.amzn2.13.1.i686
bind-pkcs11-libs-9.11.4-26.P2.amzn2.13.1.i686
bind-pkcs11-devel-9.11.4-26.P2.amzn2.13.1.i686
bind-sdb-9.11.4-26.P2.amzn2.13.1.i686
bind-libs-lite-9.11.4-26.P2.amzn2.13.1.i686
bind-libs-9.11.4-26.P2.amzn2.13.1.i686
bind-utils-9.11.4-26.P2.amzn2.13.1.i686
bind-devel-9.11.4-26.P2.amzn2.13.1.i686
bind-lite-devel-9.11.4-26.P2.amzn2.13.1.i686
bind-chroot-9.11.4-26.P2.amzn2.13.1.i686
bind-sdb-chroot-9.11.4-26.P2.amzn2.13.1.i686
bind-export-libs-9.11.4-26.P2.amzn2.13.1.i686
bind-export-devel-9.11.4-26.P2.amzn2.13.1.i686
bind-debuginfo-9.11.4-26.P2.amzn2.13.1.i686
noarch:
bind-license-9.11.4-26.P2.amzn2.13.1.noarch
src:
bind-9.11.4-26.P2.amzn2.13.1.src
x86_64:
bind-9.11.4-26.P2.amzn2.13.1.x86_64
bind-pkcs11-9.11.4-26.P2.amzn2.13.1.x86_64
bind-pkcs11-utils-9.11.4-26.P2.amzn2.13.1.x86_64
bind-pkcs11-libs-9.11.4-26.P2.amzn2.13.1.x86_64
bind-pkcs11-devel-9.11.4-26.P2.amzn2.13.1.x86_64
bind-sdb-9.11.4-26.P2.amzn2.13.1.x86_64
bind-libs-lite-9.11.4-26.P2.amzn2.13.1.x86_64
bind-libs-9.11.4-26.P2.amzn2.13.1.x86_64
bind-utils-9.11.4-26.P2.amzn2.13.1.x86_64
bind-devel-9.11.4-26.P2.amzn2.13.1.x86_64
bind-lite-devel-9.11.4-26.P2.amzn2.13.1.x86_64
bind-chroot-9.11.4-26.P2.amzn2.13.1.x86_64
bind-sdb-chroot-9.11.4-26.P2.amzn2.13.1.x86_64
bind-export-libs-9.11.4-26.P2.amzn2.13.1.x86_64
bind-export-devel-9.11.4-26.P2.amzn2.13.1.x86_64
bind-debuginfo-9.11.4-26.P2.amzn2.13.1.x86_64
Red Hat: CVE-2023-2828
Mitre: CVE-2023-2828
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.9 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.8%