Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU54109
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3504
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 hivex_open() function when processing a Windows Registry (hive) file. A remote attacker can create a specially crafted Windows Registry (hive) file, trick the victim into opening it, trigger out-of-bounds read error and crash the application that us using the affected library.
Update the affected package hivex to the latest version.
Vulnerable software versionsSUSE MicroOS: 5.0
SUSE Linux Enterprise Module for Development Tools: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3
hivex-devel: before 1.3.14-5.3.1
ocaml-hivex-devel: before 1.3.14-5.3.1
ocaml-hivex-debuginfo: before 1.3.14-5.3.1
ocaml-hivex: before 1.3.14-5.3.1
perl-Win-Hivex-debuginfo: before 1.3.14-5.3.1
perl-Win-Hivex: before 1.3.14-5.3.1
libhivex0-debuginfo: before 1.3.14-5.3.1
libhivex0: before 1.3.14-5.3.1
hivex-debugsource: before 1.3.14-5.3.1
hivex-debuginfo: before 1.3.14-5.3.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20211761-1/
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.