CVE-2022-38111 in SolarWinds
Summary
by MITRE • 02/15/2023
SolarWinds Platform was susceptible to the Deserialization of Untrusted Data. This vulnerability allows a remote adversary with Orion admin-level account access to SolarWinds Web Console to execute arbitrary commands.
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Analysis
by VulDB Data Team • 02/15/2023
The vulnerability identified as CVE-2022-38111 represents a critical deserialization flaw within the SolarWinds Platform that exposes organizations to remote code execution risks. This weakness specifically affects the SolarWinds Web Console component and demonstrates how insecure deserialization practices can lead to severe operational compromises. The vulnerability resides in the platform's handling of untrusted data during object deserialization processes, creating a pathway for malicious actors to exploit the system's trust mechanisms.
The technical nature of this flaw aligns with CWE-502, which categorizes deserialization of untrusted data as a dangerous practice that can enable remote code execution when attackers can manipulate serialized objects. The vulnerability requires an adversary to already possess administrative access to the Orion platform, but this access level provides sufficient privileges to leverage the deserialization weakness. The attack vector involves crafting malicious serialized objects that, when processed by the vulnerable SolarWinds components, trigger arbitrary code execution on the target system. This represents a particularly dangerous scenario because the attacker operates within the context of an authenticated administrative account, eliminating the need for additional privilege escalation techniques.
The operational impact of CVE-2022-38111 extends beyond simple remote code execution to encompass potential full system compromise and data exfiltration capabilities. Organizations utilizing SolarWinds platforms face significant risk of persistent threats that can remain undetected for extended periods, as the malicious code execution occurs within legitimate administrative processes. The vulnerability's exploitation can result in complete system takeover, data manipulation, and potential lateral movement within network environments where SolarWinds is deployed. This threat scenario particularly aligns with ATT&CK technique T1059.001 for command and scripting interpreter, and T1566 for credential harvesting through social engineering, as the compromised administrative access provides multiple attack pathways.
Mitigation strategies for CVE-2022-38111 should focus on immediate patching of affected SolarWinds Platform versions, implementing network segmentation to limit access to administrative interfaces, and establishing robust monitoring for anomalous deserialization activities. Organizations must also consider implementing application whitelisting policies to restrict execution of unauthorized code and deploy intrusion detection systems capable of identifying suspicious deserialization patterns. The vulnerability underscores the importance of secure coding practices and proper input validation, particularly when handling serialized data from external sources. Security teams should conduct thorough network assessments to identify all SolarWinds installations and ensure complete remediation across all affected systems. Additionally, implementing multi-factor authentication for administrative accounts and reducing the attack surface through proper access controls can significantly limit the potential impact of similar vulnerabilities in the future.