Vulnerability Description
A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Hivex | < 1.3.20 |
| Redhat | Enterprise Linux | 6.0 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1949687Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00011.htmlMailing ListThird Party 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=1949687Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00011.htmlMailing ListThird Party 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-2021-3504?
CVE-2021-3504 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry...
How severe is CVE-2021-3504?
CVE-2021-3504 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3504?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Hivex, Redhat Enterprise Linux, Debian Debian Linux, Fedoraproject Fedora.