Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU63043
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-4156
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the flac_read_loop() function in flac.c. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
MitigationUpdate the affected package libsndfile to the latest version.
Vulnerable software versionsSUSE CaaS Platform: 4.0 - 4.5
SUSE Manager Server: 4.1
SUSE Manager Retail Branch Server: 4.1
SUSE Manager Proxy: 4.1
SUSE Linux Enterprise Server for SAP: 15 - 15-SP2
SUSE Linux Enterprise Server: 15-LTSS - 15-SP2-LTSS
SUSE Linux Enterprise High Performance Computing: 15-ESPOS - 15-SP2-LTSS
SUSE Enterprise Storage: 6 - 7
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP3
libsndfile1-32bit-debuginfo: before 1.0.28-5.15.1
libsndfile1-32bit: before 1.0.28-5.15.1
libsndfile1-debuginfo: before 1.0.28-5.15.1
libsndfile1: before 1.0.28-5.15.1
libsndfile-devel: before 1.0.28-5.15.1
libsndfile-debugsource: before 1.0.28-5.15.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20220052-1/
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.