Ghidra before 12.2 contains a resource allocation without limits vulnerability in ExtensionUtils.unzipToInstallationFolder() that extracts every extension ZIP entry without limiting file count. Attackers who persuade a user to install a crafted extension archive with many files can exhaust filesystem inodes, causing project writes and other processes to fail.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/NationalSecurityAgency/ghidra
disclosure@vulncheck.com
https://github.com/NationalSecurityAgency/ghidra/commit/7cb4e778efb69acb1919f84…
disclosure@vulncheck.com
https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
disclosure@vulncheck.com
https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-j5q9-…
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/ghidra-before-12.2-denial-of-service-via-e…
disclosure@vulncheck.com