Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU72432
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-2022-48303
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the from_header() function in list.c when handling V7 archives. A remote attacker can trick the victim to open a specially crafted V7 archive, trigger a 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.
MitigationUpdate the affected package tar to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Realtime Extension: 15-SP3
openSUSE Leap Micro: 5.2 - 5.3
SUSE Linux Enterprise Micro: 5.1 - 5.3
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Module for Basesystem: 15-SP4
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
tar-lang: before 1.34-150000.3.31.1
tar-doc: before 1.34-150000.3.31.1
tar-backup-scripts: before 1.34-150000.3.31.1
tar-tests-debuginfo: before 1.34-150000.3.31.1
tar-tests: before 1.34-150000.3.31.1
tar-rmt-debuginfo: before 1.34-150000.3.31.1
tar-rmt: before 1.34-150000.3.31.1
tar-debugsource: before 1.34-150000.3.31.1
tar-debuginfo: before 1.34-150000.3.31.1
tar: before 1.34-150000.3.31.1
External linkshttp://www.suse.com/support/update/announcement/2023/suse-su-20230463-1/
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.