CVE-2017-3219 in True Image
Summary
by MITRE
Acronis True Image up to and including version 2017 Build 8053 performs software updates using HTTP. Downloaded updates are only verified using a server-provided MD5 hash.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 12/25/2024
The vulnerability identified as CVE-2017-3219 affects Acronis True Image versions up to and including build 2017.8053, presenting a significant security weakness in the software update mechanism. This flaw resides in the update delivery and verification process where the application employs unencrypted http communications for downloading software updates. The absence of proper encryption creates an attack surface that allows malicious actors to intercept and manipulate update packages during transit. The vulnerability specifically stems from the reliance on a server-provided MD5 hash for integrity verification, which represents a fundamental security oversight in the update validation process.
The technical implementation of this vulnerability demonstrates a clear failure in cryptographic security practices and update validation protocols. When Acronis True Image downloads updates over HTTP, it exposes the communication channel to man-in-the-middle attacks where attackers can modify the update content without detection. The MD5 hash verification mechanism, while providing basic integrity checking, is insufficient against determined adversaries who can manipulate the update files during transmission. This weakness aligns with CWE-319, which addresses the exposure of sensitive information through improper use of network protocols, and specifically relates to the improper handling of network communications in software update systems. The vulnerability represents a critical flaw in the security architecture of the update mechanism, as it fails to implement proper transport layer security measures.
The operational impact of this vulnerability extends beyond simple data integrity concerns to encompass potential system compromise and data loss scenarios. Attackers who can intercept the update traffic can replace legitimate update files with malicious payloads, potentially leading to arbitrary code execution on affected systems. This threat model aligns with ATT&CK technique T1070.004, which covers "Indicator Removal on Host: File Deletion," as compromised systems could be used to spread malware through infected update packages. The vulnerability creates a persistent attack vector that could affect numerous systems running vulnerable versions of Acronis True Image, particularly in enterprise environments where centralized backup solutions are common. Organizations relying on these update mechanisms may unknowingly install malicious software that could compromise their entire backup infrastructure.
Mitigation strategies for this vulnerability must address both the immediate security gap and implement comprehensive remediation measures. The most critical immediate action involves upgrading to a patched version of Acronis True Image that implements secure update mechanisms using HTTPS and stronger cryptographic verification methods. Organizations should also consider implementing network monitoring to detect unusual update traffic patterns that might indicate interception or manipulation attempts. The remediation process should include verifying the integrity of all downloaded updates through multiple verification methods beyond the single MD5 hash, implementing proper certificate validation, and ensuring that all update communications occur over encrypted channels. Additionally, system administrators should establish procedures for regularly reviewing and updating backup software to prevent similar vulnerabilities from being introduced through outdated components, aligning with security best practices outlined in industry standards for secure software development and maintenance.