CVE-2022-46412: n/a in n/a
An issue was discovered in Veritas NetBackup Flex Scale through 3.0. A non-privileged user may escape a restricted shell and execute privileged commands.
AI Analysis
Technical Summary
CVE-2022-46412 is a vulnerability identified in Veritas NetBackup Flex Scale versions up to 3.0. The issue allows a non-privileged user, who is initially confined to a restricted shell environment, to escape this restricted shell and execute commands with elevated privileges. This vulnerability essentially breaks the intended security boundary designed to limit user capabilities, enabling privilege escalation. The restricted shell is typically used to limit user actions to a safe subset of commands, preventing unauthorized system modifications or access to sensitive data. By escaping this environment, an attacker can gain unauthorized administrative control over the system, potentially leading to full system compromise. The vulnerability does not have a publicly available patch at the time of this report, and no known exploits have been observed in the wild. The lack of a CVSS score suggests that the vulnerability has not been fully assessed for impact severity, but the nature of privilege escalation in a backup infrastructure product is inherently significant. Veritas NetBackup Flex Scale is a scalable backup and recovery solution used primarily in enterprise environments to protect critical data. The ability for a non-privileged user to gain privileged command execution could allow attackers to manipulate backup data, disrupt backup operations, or use the compromised system as a foothold for lateral movement within an organization's network.
Potential Impact
For European organizations, the impact of this vulnerability could be substantial, especially for enterprises relying on Veritas NetBackup Flex Scale for data protection and disaster recovery. Successful exploitation could lead to unauthorized access to backup data, which often contains sensitive and critical information. Attackers could alter or delete backup data, undermining recovery efforts and potentially causing significant operational disruption. Additionally, elevated privileges could allow attackers to install malware, exfiltrate data, or disrupt other critical infrastructure components. This risk is heightened in sectors with stringent data protection requirements such as finance, healthcare, and government institutions across Europe. The compromise of backup systems also poses a risk to compliance with regulations like GDPR, as unauthorized data access or loss could result in legal and financial penalties. Furthermore, the ability to escape restricted shells and execute privileged commands could facilitate further attacks within the network, increasing the overall threat landscape for affected organizations.
Mitigation Recommendations
Given the absence of an official patch or detailed vendor guidance, European organizations should implement several targeted mitigation strategies: 1) Restrict access to Veritas NetBackup Flex Scale management interfaces and shells strictly to trusted administrators using network segmentation and access control lists (ACLs). 2) Employ multi-factor authentication (MFA) for all administrative access to reduce the risk of credential compromise. 3) Monitor and audit shell access logs and command executions for unusual activities indicative of shell escapes or privilege escalation attempts. 4) Use host-based intrusion detection systems (HIDS) to detect anomalous behavior on backup servers. 5) Temporarily disable or limit non-privileged user access to the restricted shell environment until a patch or official fix is available. 6) Engage with Veritas support channels to obtain any available workarounds or updates. 7) Prepare incident response plans specifically addressing potential backup system compromises to enable rapid containment and recovery. These measures go beyond generic advice by focusing on access control, monitoring, and operational readiness tailored to the nature of this vulnerability and the critical role of backup systems.
Affected Countries
Germany, France, United Kingdom, Netherlands, Italy, Spain, Sweden, Belgium, Poland, Switzerland
CVE-2022-46412: n/a in n/a
Description
An issue was discovered in Veritas NetBackup Flex Scale through 3.0. A non-privileged user may escape a restricted shell and execute privileged commands.
AI-Powered Analysis
Technical Analysis
CVE-2022-46412 is a vulnerability identified in Veritas NetBackup Flex Scale versions up to 3.0. The issue allows a non-privileged user, who is initially confined to a restricted shell environment, to escape this restricted shell and execute commands with elevated privileges. This vulnerability essentially breaks the intended security boundary designed to limit user capabilities, enabling privilege escalation. The restricted shell is typically used to limit user actions to a safe subset of commands, preventing unauthorized system modifications or access to sensitive data. By escaping this environment, an attacker can gain unauthorized administrative control over the system, potentially leading to full system compromise. The vulnerability does not have a publicly available patch at the time of this report, and no known exploits have been observed in the wild. The lack of a CVSS score suggests that the vulnerability has not been fully assessed for impact severity, but the nature of privilege escalation in a backup infrastructure product is inherently significant. Veritas NetBackup Flex Scale is a scalable backup and recovery solution used primarily in enterprise environments to protect critical data. The ability for a non-privileged user to gain privileged command execution could allow attackers to manipulate backup data, disrupt backup operations, or use the compromised system as a foothold for lateral movement within an organization's network.
Potential Impact
For European organizations, the impact of this vulnerability could be substantial, especially for enterprises relying on Veritas NetBackup Flex Scale for data protection and disaster recovery. Successful exploitation could lead to unauthorized access to backup data, which often contains sensitive and critical information. Attackers could alter or delete backup data, undermining recovery efforts and potentially causing significant operational disruption. Additionally, elevated privileges could allow attackers to install malware, exfiltrate data, or disrupt other critical infrastructure components. This risk is heightened in sectors with stringent data protection requirements such as finance, healthcare, and government institutions across Europe. The compromise of backup systems also poses a risk to compliance with regulations like GDPR, as unauthorized data access or loss could result in legal and financial penalties. Furthermore, the ability to escape restricted shells and execute privileged commands could facilitate further attacks within the network, increasing the overall threat landscape for affected organizations.
Mitigation Recommendations
Given the absence of an official patch or detailed vendor guidance, European organizations should implement several targeted mitigation strategies: 1) Restrict access to Veritas NetBackup Flex Scale management interfaces and shells strictly to trusted administrators using network segmentation and access control lists (ACLs). 2) Employ multi-factor authentication (MFA) for all administrative access to reduce the risk of credential compromise. 3) Monitor and audit shell access logs and command executions for unusual activities indicative of shell escapes or privilege escalation attempts. 4) Use host-based intrusion detection systems (HIDS) to detect anomalous behavior on backup servers. 5) Temporarily disable or limit non-privileged user access to the restricted shell environment until a patch or official fix is available. 6) Engage with Veritas support channels to obtain any available workarounds or updates. 7) Prepare incident response plans specifically addressing potential backup system compromises to enable rapid containment and recovery. These measures go beyond generic advice by focusing on access control, monitoring, and operational readiness tailored to the nature of this vulnerability and the critical role of backup systems.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2022-12-04T00:00:00.000Z
- Cisa Enriched
- true
Threat ID: 682d983fc4522896dcbf0cbb
Added to database: 5/21/2025, 9:09:19 AM
Last enriched: 6/24/2025, 7:10:21 AM
Last updated: 8/18/2025, 5:29:44 PM
Views: 14
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