SUSE update for curl

1) Resource exhaustion

EUVDB-ID: #VU80732

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-2023-38039

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 limit the size of received headers from a single request that are stored for future reference. A remote attacker can send overly large HTTP responses to the application and consume all memory resources.

Mitigation

Update the affected package curl to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise Real Time 15: SP4 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

SUSE Linux Enterprise Micro: 5.3 - 5.4

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libcurl-devel-64bit: All versions

libcurl4-64bit: All versions

libcurl4-64bit-debuginfo: All versions

libcurl-devel-32bit: All versions

libcurl4-32bit-debuginfo: All versions

libcurl4-32bit: All versions

libcurl4: All versions

curl: All versions

libcurl4-debuginfo: All versions

curl-debugsource: All versions

curl-debuginfo: All versions

libcurl-devel: All versions

CPE2.3

• cpe:2.3:o:suse:basesystem_module:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libcurl-devel-64bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4-64bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4-64bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:curl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl4-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:curl-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:curl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libcurl-devel:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20233823-1/

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.