1. EXECUTIVE SUMMARY
- CVSS v3 8.1
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Mitsubishi Electric
- Equipment: MELSOFT Update Manager
- Vulnerabilities: Integer Underflow (Wrap or Wraparound), Protection Mechanism Failure
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code, disclose information, alter information, or cause a denial-of-service (DoS) condition.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Mitsubishi Electric MELSOFT Update Manager are affected:
- MELSOFT Update Manager SW1DND-UDM-M: Versions 1.000A to 1.012N
3.2 VULNERABILITY OVERVIEW
3.2.1 INTEGER UNDERFLOW (WRAP OR WRAPAROUND) CWE-191
Mitsubishi Electric MELSOFT Update Manager is vulnerable to an Integer Underflow vulnerability in 7-zip, included in MELSOFT Update Manager, that could allow a remote attacker to execute arbitrary code by decompressing a specially crafted compressed file. As a result, the attacker may disclose, tamper with information, or cause a denial-of-service (DoS) condition on the product.
CVE-2024-11477 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
3.2.2 PROTECTION MECHANISM FAILURE CWE-693
Mitsubishi Electric MELSOFT Update Manager is vulnerable to an Protection Mechanism Failure vulnerability in 7-zip, included in MELSOFT Update Manager, that could allow an attacker to execut
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