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CVE-2023-30988
CVE ID
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CVE-2023-30988
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
The IBM i 7.2, 7.3, 7.4, and 7.5 product Facsimile Support for i contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain root access to the host operating system. IBM X-Force ID: 254016.
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Technical Analysis
Based on the published details the vulnerable program object executes with *OWNER privileges (similarly to how SUID executables work), but use the Library List (similar to the PATH environment variable) of the executing user, who can thus replace program dependencies to make their code execute in the context of a different user profile. This other user profile (QAUTPROF) has authority to impersonate QFAXMSF (also installed as part of the vulnerable software package), that has *ALLOBJ (“All Object” – similar to uid=0) special authority on the system. This is a local privilege escalation from any user profile (with command line access) to complete control over the system.
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General Information
Vendors
- ibm
Products
- i 7.2,
- i 7.3,
- i 7.4,
- i 7.5
References
Additional Info
Technical Analysis
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CVE ID
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