// For flags

CVE-2023-46803

Ivanti Avalanche WLAvalancheService Divide By Zero Denial-of-Service Vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS).

Un atacante que envía paquetes de datos especialmente manipulados a Mobile Device Server puede provocar daños en la memoria, lo que podría provocar una denegación de servicio (DoS).

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the WLAvalancheService. The issue results from the lack of proper exception handling when performing an integer division operation. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

*Credits: Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-10-27 CVE Reserved
  • 2023-12-19 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-11-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ivanti
Search vendor "Ivanti"
 Avalanche
Search vendor "Ivanti" for product "Avalanche"
 < 6.4.2
Search vendor "Ivanti" for product "Avalanche" and version " < 6.4.2"
premise
Affected
in Microsoft
Search vendor "Microsoft"
 Windows
Search vendor "Microsoft" for product "Windows"
--
Safe