Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3622 |
CWE-ID | CWE-121 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
hivex Other software / Other software solutions |
Vendor | libguestfs |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU56239
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3622
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing hive child objects. A local user can create a specially crafted Windows Registry (hive) file which would cause hivex to recursively call the _get_children() function, ultimately leading to a stack overflow and library crash.
Install updates from vendor's website.
Vulnerable software versionshivex: 1.3.0 - 1.3.20
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=1975489
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.