Vulnerability Description
A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Hivex | < 1.3.21 |
| Redhat | Enterprise Linux | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1975489ExploitIssue TrackingPatch
- https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7PatchThird Party Advisory
- https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.htmlMailing ListPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://bugzilla.redhat.com/show_bug.cgi?id=1975489ExploitIssue TrackingPatch
- https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7PatchThird Party Advisory
- https://listman.redhat.com/archives/libguestfs/2021-August/msg00002.htmlMailing ListPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-3622?
CVE-2021-3622 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the _get_children() function,...
How severe is CVE-2021-3622?
CVE-2021-3622 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3622?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Hivex, Redhat Enterprise Linux, Redhat Enterprise Linux Workstation, Fedoraproject Fedora.