Overview
CVE-2025-58479 describes a medium-severity out-of-bounds read vulnerability found in libimagecodec.quram.so, a library used by Samsung devices for image processing. This vulnerability, present in versions prior to SMR Dec-2025 Release 1, could allow remote attackers to potentially access sensitive information by reading memory outside the intended boundaries. This article provides a detailed analysis of the vulnerability, its potential impact, and mitigation strategies.
Technical Details
The vulnerability stems from insufficient bounds checking within the libimagecodec.quram.so library when processing crafted image files. Specifically, when handling certain image formats, the library may attempt to read data beyond the allocated buffer. This out-of-bounds read can lead to information disclosure, as attackers could potentially read sensitive data residing in adjacent memory regions. The specific code path affected allows a remote attacker to trigger the vulnerability by providing a specially crafted image file that the system attempts to process.
CVSS Analysis
The vulnerability has been assigned a CVSS score of 4.3 (Medium). The CVSS vector likely includes the following characteristics:
- Attack Vector (AV): Network (N) – The vulnerability can be triggered remotely.
- Attack Complexity (AC): Medium (M) – Requires some effort to craft a malicious image and trigger the vulnerability.
- Privileges Required (PR): None (N) – No user privileges are required to exploit the vulnerability.
- User Interaction (UI): Required (R) – User interaction is necessary, such as opening a malicious image file.
- Scope (S): Unchanged (U) – The vulnerability’s impact is limited to the vulnerable component.
- Confidentiality Impact (C): Low (L) – Limited sensitive information disclosure.
- Integrity Impact (I): None (N) – No impact on system integrity.
- Availability Impact (A): None (N) – No impact on system availability.
Therefore, the CVSS vector would be something along the lines of: CVSS:3.1/AV:N/AC:M/PR:N/UI:R/S:U/C:L/I:N/A:N
Possible Impact
The primary impact of CVE-2025-58479 is information disclosure. An attacker who successfully exploits this vulnerability could potentially read sensitive data from memory, such as:
- Device identifiers (e.g., IMEI, serial number)
- Cryptographic keys (though unlikely without further exploitation)
- Other application data residing in memory
While the CVSS score is medium, the impact could be higher depending on the context and the data accessible in memory.
Mitigation and Patch Steps
The recommended mitigation is to update your Samsung device to the SMR Dec-2025 Release 1 (or later). This security update includes a patch that addresses the out-of-bounds read vulnerability in libimagecodec.quram.so. To update your device, follow these steps:
- Go to Settings.
- Tap on Software update.
- Tap on Download and install.
- Follow the on-screen instructions to install the update.
It’s crucial to apply security updates promptly to protect your device from potential exploits.
References
- CVE ID: CVE-2025-58479
- Samsung Security Update: https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=12
