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Vulnerability Details : CVE-2021-3504

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.
Publish Date : 2021-05-11 Last Update Date : 2021-06-21
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 125

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:2318: hivex security update (Moderate) oval:com.redhat.rhsa:def:20212318 unix
RHSA-2021:3061: virt:rhel and virt-devel:rhel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20213061 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-3504

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
7 Application Redhat Hivex * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 1
Redhat Enterprise Linux 4
Redhat Hivex 1

- References For CVE-2021-3504

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BQXTEACRWYAZVNEOIWIYUFGG4GOXSQ22/
FEDORA FEDORA-2021-da76643229
https://lists.debian.org/debian-lts-announce/2021/05/msg00011.html
MLIST [debian-lts-announce] 20210511 [SECURITY] [DLA 2656-1] hivex security update
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5BNKNVYFL36P2GBEB5O36LHFRYU575H/
FEDORA FEDORA-2021-b71cc4df92
https://bugzilla.redhat.com/show_bug.cgi?id=1949687

- Metasploit Modules Related To CVE-2021-3504

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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