Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU82977
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-46228
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing files in lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, and lib/header.c. A remote attacker can pass specially crafted file to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package zchunk to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Micro: 5.3 - 5.5
openSUSE Leap Micro: 5.3 - 5.4
SUSE Package Hub 15: 15-SP5
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
openSUSE Leap: 15.4 - 15.5
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
zchunk-debugsource: before 1.1.16-150400.3.7.1
libzck1-debuginfo: before 1.1.16-150400.3.7.1
libzck1: before 1.1.16-150400.3.7.1
libzck-devel: before 1.1.16-150400.3.7.1
zchunk: before 1.1.16-150400.3.7.1
zchunk-debuginfo: before 1.1.16-150400.3.7.1
CPE2.3http://www.suse.com/support/update/announcement/2023/suse-su-20234225-1/
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.