VDB-207921 · CVE-2022-36040 · GHSA-h897-rhm9-rpmw

Rizin up to 0.4.0 PYC File out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Rizin up to 0.4.0. It has been rated as critical. Affected is an unknown function of the component PYC File Handler. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2022-36040. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Rizin up to 0.4.0. This affects an unknown function of the component PYC File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Rizin is a UNIX-like reverse engineering framework and command-line toolset. Versions 0.4.0 and prior are vulnerable to an out-of-bounds write when getting data from PYC(python) files. A user opening a malicious PYC file could be affected by this vulnerability, allowing an attacker to execute code on the user's machine. Commit number 68948017423a12786704e54227b8b2f918c2fd27 contains a patch.

The weakness was released 09/07/2022 as GHSA-h897-rhm9-rpmw. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-36040 since 07/15/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Applying the patch 68948017423a12786704e54227b8b2f918c2fd27 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-38813). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Rizin

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 68948017423a12786704e54227b8b2f918c2fd27

Timelineinfo

07/15/2022 🔍
09/07/2022 +54 days 🔍
09/07/2022 +0 days 🔍
06/16/2026 +1378 days 🔍

Sourcesinfo

Advisory: GHSA-h897-rhm9-rpmw
Status: Confirmed

CVE: CVE-2022-36040 (🔍)
GCVE (CVE): GCVE-0-2022-36040
GCVE (VulDB): GCVE-100-207921
EUVD: 🔍

Entryinfo

Created: 09/07/2022 09:03
Updated: 06/16/2026 18:32
Changes: 09/07/2022 09:03 (51), 06/16/2026 18:32 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.