CVE-2025-58287

7.8 HIGH

📋 TL;DR

A Use After Free vulnerability in Huawei office service allows attackers to access sensitive information after memory has been freed. This affects Huawei devices running vulnerable versions of the office service software. Successful exploitation could compromise service confidentiality.

💻 Affected Systems

Products:
  • Huawei office service
Versions: Specific versions not detailed in reference; check Huawei advisory for affected versions
Operating Systems: Huawei HarmonyOS, Android-based Huawei systems
Default Config Vulnerable: ⚠️ Yes
Notes: Affects Huawei devices with the vulnerable office service component installed and enabled.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attacker gains unauthorized access to sensitive office documents and data stored in memory, potentially leading to data breach and information disclosure.

🟠

Likely Case

Limited information disclosure from office service memory, potentially exposing fragments of processed documents or temporary data.

🟢

If Mitigated

Minimal impact with proper memory protection mechanisms and service isolation in place.

🌐 Internet-Facing: MEDIUM - Requires specific conditions and potentially authenticated access to the office service.
🏢 Internal Only: MEDIUM - Internal attackers could exploit this to access sensitive office data processed by the service.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Use After Free vulnerabilities typically require specific timing and memory manipulation, making exploitation moderately complex.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Huawei security bulletin for specific patched versions

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/10/

Restart Required: Yes

Instructions:

1. Visit Huawei security advisory. 2. Identify affected device models and versions. 3. Apply security updates through official Huawei update channels. 4. Restart device after update.

🔧 Temporary Workarounds

Disable office service if not needed

all

Temporarily disable the vulnerable office service component to prevent exploitation

Specific commands depend on Huawei device model and OS version

Restrict service permissions

all

Limit the office service's access permissions and memory allocation

Use Huawei device management tools to restrict service privileges

🧯 If You Can't Patch

  • Isolate affected devices from sensitive networks and data
  • Implement strict access controls and monitor for unusual office service activity

🔍 How to Verify

Check if Vulnerable:

Check device software version against Huawei security advisory for affected versions

Check Version:

Check device settings > About phone > Software information for version details

Verify Fix Applied:

Verify installed software version matches or exceeds patched version listed in Huawei advisory

📡 Detection & Monitoring

Log Indicators:

  • Unexpected office service crashes
  • Memory access violations in system logs
  • Unusual office service process behavior

Network Indicators:

  • Unusual network traffic from office service
  • Attempts to access office service from unauthorized sources

SIEM Query:

Search for office service process anomalies, memory access errors, or unexpected service terminations

🔗 References

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