Amazon Linux AMI update for bind

Published: 2025-02-19

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-2828 CVE-2023-2911
CWE-ID	CWE-400 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Amazon Linux AMI Operating systems & Components / Operating system bind Operating systems & Components / Operating system package or component
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU77612

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-2828

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can cause the amount of memory used by a named resolver to go well beyond the configured max-cache-size limit. The effectiveness of the attack depends on a number of factors (e.g. query load, query patterns), but since the default value of the max-cache-size statement is 90%, in the worst case the attacker can exhaust all available memory on the host running named, leading to a denial-of-service condition.

Mitigation

Update the affected packages:

aarch64:
    bind-libs-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-ldap-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-utils-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-mysql-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-mysql-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-sqlite3-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-utils-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-filesystem-9.16.42-1.amzn2023.0.1.aarch64
    bind-utils-9.16.42-1.amzn2023.0.1.aarch64
    bind-9.16.42-1.amzn2023.0.1.aarch64
    bind-dnssec-utils-9.16.42-1.amzn2023.0.1.aarch64
    bind-dnssec-utils-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-ldap-9.16.42-1.amzn2023.0.1.aarch64
    bind-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-sqlite3-9.16.42-1.amzn2023.0.1.aarch64
    bind-chroot-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-libs-9.16.42-1.amzn2023.0.1.aarch64
    bind-debugsource-9.16.42-1.amzn2023.0.1.aarch64
    bind-libs-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-libs-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-devel-9.16.42-1.amzn2023.0.1.aarch64
    bind-dlz-filesystem-debuginfo-9.16.42-1.amzn2023.0.1.aarch64
    bind-devel-9.16.42-1.amzn2023.0.1.aarch64
    bind-pkcs11-utils-9.16.42-1.amzn2023.0.1.aarch64

noarch:
    bind-license-9.16.42-1.amzn2023.0.1.noarch
    bind-dnssec-doc-9.16.42-1.amzn2023.0.1.noarch
    python3-bind-9.16.42-1.amzn2023.0.1.noarch
    bind-doc-9.16.42-1.amzn2023.0.1.noarch

src:
    bind-9.16.42-1.amzn2023.0.1.src

x86_64:
    bind-libs-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-utils-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-devel-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-libs-9.16.42-1.amzn2023.0.1.x86_64
    bind-9.16.42-1.amzn2023.0.1.x86_64
    bind-chroot-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-mysql-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-utils-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-sqlite3-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-mysql-9.16.42-1.amzn2023.0.1.x86_64
    bind-dnssec-utils-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-devel-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-ldap-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-libs-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-debugsource-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-filesystem-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-filesystem-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-utils-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-sqlite3-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-libs-9.16.42-1.amzn2023.0.1.x86_64
    bind-pkcs11-9.16.42-1.amzn2023.0.1.x86_64
    bind-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-dlz-ldap-9.16.42-1.amzn2023.0.1.x86_64
    bind-utils-debuginfo-9.16.42-1.amzn2023.0.1.x86_64
    bind-dnssec-utils-debuginfo-9.16.42-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

bind: before 9.16.42-1

CPE2.3

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-240.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource management error

EUVDB-ID: #VU77610