PyCryptodome/pycryptodomex up to 3.19.0 behavioral discrepancy

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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in PyCryptodome and pycryptodomex up to 3.19.0 and classified as problematic. Affected is an unknown function. This manipulation causes behavioral discrepancy. This vulnerability is handled as CVE-2023-52323. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in PyCryptodome and pycryptodomex up to 3.19.0. It has been declared as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a behavioral discrepancy vulnerability. The CWE definition for the vulnerability is CWE-206. The product performs multiple behaviors that are combined to produce a single result, but the individual behaviors are observable separately in a way that allows attackers to reveal internal state or internal decision points. As an impact it is known to affect confidentiality. The summary by CVE is:

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.

The weakness was released 01/05/2024. The advisory is shared at github.com. This vulnerability is known as CVE-2023-52323 since 01/05/2024. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 235583 (RockyLinux 8 : resource-agents (RLSA-2024:2952)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.19.1 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the databases at Tenable (235583) and CERT Bund (WID-SEC-2024-1003). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • IBM MQ
  • IBM Spectrum Protect Plus

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Behavioral discrepancy
CWE: CWE-206 / CWE-205 / CWE-203
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 235583
Nessus Name: RockyLinux 8 : resource-agents (RLSA-2024:2952)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PyCryptodome/pycryptodomex 3.19.1

Timelineinfo

01/05/2024 🔍
01/05/2024 +0 days 🔍
01/05/2024 +0 days 🔍
07/27/2025 +569 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2023-52323 (🔍)
GCVE (CVE): GCVE-0-2023-52323
GCVE (VulDB): GCVE-100-249721
CERT Bund: WID-SEC-2024-1003 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 01/05/2024 09:06
Updated: 07/27/2025 06:57
Changes: 01/05/2024 09:06 (38), 01/24/2024 09:20 (11), 05/08/2025 07:55 (17), 06/03/2025 19:24 (1), 07/27/2025 06:57 (7)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!