// For flags

CVE-2023-51775

jose4j: denial of service via specially crafted JWE

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

The jose4j component before 0.9.4 for Java allows attackers to cause a denial of service (CPU consumption) via a large p2c (aka PBES2 Count) value.

El componente jose4j anterior a 0.9.4 para Java permite a los atacantes provocar una denegación de servicio (consumo de CPU) mediante un valor grande de p2c (también conocido como PBES2 Count).

A flaw was found in the jose.4.j (jose4j) library. The JWE key management algorithms based on PBKDF2 require a JOSE Header Parameter called p2c (PBES2 Count). This parameter dictates the number of PBKDF2 iterations needed to derive a CEK wrapping key. Its primary purpose is to intentionally slow down the key derivation function, making password brute-force and dictionary attacks more resource-intensive. However, if an attacker sets the p2c parameter in JWE to a large number, it can cause high computational consumption, resulting in a denial of service.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-12-25 CVE Reserved
  • 2023-12-25 CVE Published
  • 2023-12-26 EPSS Updated
  • 2024-08-14 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Jose4j Project
Search vendor "Jose4j Project"
 Jose4j
Search vendor "Jose4j Project" for product "Jose4j"
*-
Affected
Suse
Search vendor "Suse"
 Sle-module-suse-manager-server
Search vendor "Suse" for product "Sle-module-suse-manager-server"
*-
Affected
Suse
Search vendor "Suse"
 Suse-manager-server
Search vendor "Suse" for product "Suse-manager-server"
*-
Affected