SUSE update for apache2

1) Resource management error

EUVDB-ID: #VU82245

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-2023-45802

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the server when handling HTTP/2 requests. A remote attacker can send multiple requests to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected package apache2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security: 12-SP5

SUSE Linux Enterprise Server 12 SP5 LTSS: 12-SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

apache2-tls13-doc: before 2.4.51-35.66.1

apache2-doc: before 2.4.51-35.66.1

apache2-tls13-prefork-debuginfo: before 2.4.51-35.66.1

apache2-tls13-utils: before 2.4.51-35.66.1

apache2-tls13-example-pages: before 2.4.51-35.66.1

apache2-tls13: before 2.4.51-35.66.1

apache2-debugsource: before 2.4.51-35.66.1

apache2-worker-debuginfo: before 2.4.51-35.66.1

apache2-example-pages: before 2.4.51-35.66.1

apache2: before 2.4.51-35.66.1

apache2-tls13-debuginfo: before 2.4.51-35.66.1

apache2-worker: before 2.4.51-35.66.1

apache2-prefork: before 2.4.51-35.66.1

apache2-utils: before 2.4.51-35.66.1

apache2-prefork-debuginfo: before 2.4.51-35.66.1

apache2-debuginfo: before 2.4.51-35.66.1

apache2-tls13-worker-debuginfo: before 2.4.51-35.66.1

apache2-utils-debuginfo: before 2.4.51-35.66.1

apache2-tls13-worker: before 2.4.51-35.66.1

apache2-tls13-utils-debuginfo: before 2.4.51-35.66.1

apache2-tls13-prefork: before 2.4.51-35.66.1

apache2-tls13-debugsource: before 2.4.51-35.66.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss_extended_security:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12_sp5_ltss:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:apache2-tls13-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-doc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-prefork-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-utils:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-example-pages:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-worker-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-example-pages:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-worker:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-prefork:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-utils:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-prefork-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-worker-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-utils-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-worker:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-utils-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-prefork:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:apache2-tls13-debugsource:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243949-1/

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.