CVE-2025-0587 is a critical vulnerability in OpenHarmony v5.0.2 and prior versions that allows a local attacker to execute arbitrary code in pre-installed applications through an integer overflow. This vulnerability arises when an arithmetic operation exceeds the maximum limit of an integer variable, causing it to wrap around and corrupt memory. Attackers can exploit this flaw by crafting malicious input that triggers the overflow, leading to unauthorized code execution within the context of the affected application. Although exploitation is limited to restricted scenarios, successful attacks can compromise system integrity and confidentiality.
The vulnerability is particularly dangerous because it targets pre-installed apps, which often have elevated privileges. Exploitation requires local access, but once achieved, attackers can manipulate system processes, escalate privileges, or exfiltrate sensitive data. The CVSS 4.0 score reflects its critical severity due to the potential for significant impact on affected systems. Mitigation involves updating to a patched version of OpenHarmony and implementing strict input validation to prevent integer overflow conditions.
DailyCVE Form:
Platform: OpenHarmony
Version: v5.0.2 and prior
Vulnerability: Arbitrary Code Execution
Severity: Critical
Date: 03/03/2025
What Undercode Say:
Exploitation:
1. Identify vulnerable pre-installed apps in OpenHarmony v5.0.2.
2. Craft malicious input to trigger integer overflow.
3. Exploit memory corruption to execute arbitrary code.
Protection:
1. Update OpenHarmony to the latest version.
2. Implement input validation to prevent integer overflow.
3. Restrict local access to sensitive applications.
Analytics:
- CVSS 4.0 Score: 9.8 (Critical)
- Attack Vector: Local
- Complexity: Low
- Privileges Required: Low
- User Interaction: None
Commands:
1. Check OpenHarmony version:
uname -a
2. Verify installed patches:
rpm -qa | grep OpenHarmony
Code Example (Input Validation):
include <stdio.h>
include <limits.h>
void safe_add(int a, int b) {
if (a > 0 && b > INT_MAX - a) {
printf("Integer overflow detected!\n");
return;
}
int result = a + b;
printf("Safe result: %d\n", result);
}
int main() {
safe_add(2147483647, 1); // Example of safe addition
return 0;
}
Mitigation Tools:
- Use static analysis tools to detect integer overflow vulnerabilities.
- Deploy runtime protection mechanisms to monitor memory operations.
References:
- OpenHarmony Security Advisory: [bash]
- NVD CVE-2025-0587: [bash]
- CVSS 4.0 Calculator: [bash]
By following these steps, users can mitigate the risks associated with CVE-2025-0587 and secure their OpenHarmony systems.
References:
Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-0587
Extra Source Hub:
Undercode
