SUSE update for zlib

1) Heap-based buffer overflow

EUVDB-ID: #VU82299

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45853

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the zipOpenNewFileInZip4_64() function from MiniZip. A remote attacker can create a specially crafted archive, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package zlib to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 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

libz1-32bit: before 1.2.11-11.37.1

libz1-debuginfo-32bit: before 1.2.11-11.37.1

libz1-debuginfo: before 1.2.11-11.37.1

libz1: before 1.2.11-11.37.1

zlib-devel-32bit: before 1.2.11-11.37.1

zlib-devel: before 1.2.11-11.37.1

zlib-debugsource: before 1.2.11-11.37.1

zlib-devel-static: before 1.2.11-11.37.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_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:a:suse:libz1-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libz1-debuginfo-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libz1-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libz1:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:zlib-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:zlib-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:zlib-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:zlib-devel-static:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20234216-1/

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.