CVE-2008-3289 in Retrospect Backup Client
Summary
by MITRE
EMC Dantz Retrospect Backup Client 7.5.116 sends the password hash in cleartext at an unspecified point, which allows remote attackers to obtain sensitive information via a crafted packet.
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Analysis
by VulDB Data Team • 08/15/2019
The vulnerability identified as CVE-2008-3289 affects EMC Dantz Retrospect Backup Client version 7.5.116, representing a critical security flaw in the backup client software that exposes sensitive authentication credentials. This issue stems from the improper handling of authentication data during network communication, specifically involving the transmission of password hashes in cleartext format rather than utilizing secure encrypted channels for credential exchange. The vulnerability exists within the client-server communication protocol implementation where authentication information is not adequately protected during transmission, creating an attack surface that adversaries can exploit to intercept and decode sensitive information.
The technical flaw manifests in the client's network communication stack where password hashes are transmitted without encryption or proper security mechanisms in place. This cleartext transmission violates fundamental security principles for credential handling and represents a direct violation of secure communication standards. The unspecified point of transmission suggests that the vulnerability occurs at an arbitrary location within the communication flow, making it particularly challenging to predict or prevent. Attackers can craft malicious packets to intercept this unencrypted data stream, effectively compromising the authentication process and gaining unauthorized access to backup systems. This vulnerability aligns with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-310 (Cryptography Errors) categories, as it demonstrates both the improper handling of sensitive data and the absence of cryptographic protection for authentication credentials.
The operational impact of this vulnerability extends beyond simple credential theft, as it enables remote attackers to gain unauthorized access to backup environments and potentially compromise entire backup infrastructures. Attackers exploiting this vulnerability can obtain access to backup data, manipulate backup schedules, and potentially disrupt business continuity operations. The remote nature of the attack means that adversaries do not require physical access to systems, allowing them to exploit the vulnerability from anywhere on the network. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under T1078 (Valid Accounts) and T1566 (Phishing) as attackers can leverage stolen credentials to establish persistent access to backup systems and potentially escalate privileges within the backup environment.
Mitigation strategies for this vulnerability require immediate implementation of network security controls and software updates to address the cleartext transmission issue. Organizations should implement network segmentation to isolate backup systems from general network traffic and deploy network monitoring solutions to detect anomalous packet patterns associated with credential interception attempts. The most effective immediate solution involves upgrading to a patched version of the EMC Dantz Retrospect Backup Client that implements proper encryption for authentication data transmission. Additionally, organizations should implement network protocols that enforce encrypted communication channels such as TLS/SSL for all backup client-server communications, ensuring that authentication credentials are never transmitted in cleartext. Security administrators should also conduct comprehensive network traffic analysis to identify any potential exploitation attempts and implement intrusion detection systems specifically configured to monitor for suspicious authentication-related packet patterns. The vulnerability demonstrates the critical importance of implementing defense-in-depth strategies and proper cryptographic practices in backup and recovery systems where sensitive data is handled.