Description

CVE-2024-12085 is a vulnerability found in the rsync daemon, a widely used file synchronization utility. The vulnerability arises when rsync compares file checksums, allowing an attacker to manipulate the checksum length (s2length). This manipulation leads to a comparison between a checksum and uninitialized memory, resulting in the leakage of one byte of uninitialized stack data at a time.

While the CVSS score is 7.5, indicating a high severity, the SOCRadar Vulnerability Risk Score (SVRS) is 40, suggesting a moderate level of risk. However, the "In The Wild" tag indicates that this vulnerability is being actively exploited by attackers, making it a crucial concern.

Key Insights

1. Data Leakage: The primary concern is the leakage of uninitialized stack data, which could potentially expose sensitive information. This information could include system credentials, user data, or other sensitive data that might be stored on the stack.
2. Remote Exploitation: The vulnerability is exploitable remotely, meaning that attackers can exploit it without needing physical access to the affected system. This makes the attack surface wider and increases the potential for damage.
3. Active Exploitation: The "In The Wild" tag indicates that attackers are currently leveraging this vulnerability, signifying an urgent need for mitigation. This suggests that the vulnerability is not a theoretical threat, but a real and present danger.
4. Potential for Escalation: While the initial exploit might leak a small amount of data, it could be used as a stepping stone to gain further access to the system, leading to more significant breaches and data exfiltration.

Mitigation Strategies

1. Upgrade rsync: The most effective mitigation is to update rsync to the latest version that addresses this vulnerability. This ensures that the system is patched and protected against exploitation.
2. Disable rsync or Restrict Access: If immediate patching is not possible, consider disabling rsync or restricting access to the service. This limits the attack surface and prevents attackers from exploiting the vulnerability.
3. Network Segmentation: Implementing network segmentation can help to isolate affected systems and limit the potential impact of a successful exploit.
4. Intrusion Detection Systems (IDS): Implementing and configuring an IDS can help detect and alert on suspicious network activity related to CVE-2024-12085.

Additional Information

Users with additional queries regarding CVE-2024-12085 can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.