7.8
HIGH
CVE-2021-43814
Rizin AMD64 ELF Heap-Based Out-of-Bounds Write Vulnerability
Description

Rizin is a UNIX-like reverse engineering framework and command-line toolset. In versions up to and including 0.3.1 there is a heap-based out of bounds write in parse_die() when reversing an AMD64 ELF binary with DWARF debug info. When a malicious AMD64 ELF binary is opened by a victim user, Rizin may crash or execute unintended actions. No workaround are known and users are advised to upgrade.

INFO

Published Date :

Dec. 13, 2021, 8:15 p.m.

Last Modified :

Dec. 22, 2021, 9:29 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-43814 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Rizin rizin
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-43814.

URL Resource
https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea406 Patch Third Party Advisory
https://github.com/rizinorg/rizin/issues/2083 Third Party Advisory
https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-43814 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-43814 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 22, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea406 No Types Assigned https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea406 Patch, Third Party Advisory
    Changed Reference Type https://github.com/rizinorg/rizin/issues/2083 No Types Assigned https://github.com/rizinorg/rizin/issues/2083 Third Party Advisory
    Changed Reference Type https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r No Types Assigned https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:* versions up to (including) 0.3.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-43814 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-43814 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.01%

score

0.39095

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability