CVE intelligence and bounded remediation
CVE-2023-39346 — LinuxASMCallGraph is software for drawing the call graph of the programming code
LinuxASMCallGraph is software for drawing the call graph of the programming code. Linux ASMCallGraph before commit 20dba06bd1a3cf260612d4f21547c25002121cd5 allows attackers to cause a remote code execution on the server side via uploading a crafted ZIP file due to incorrect filtering rules of uploaded file. The problem has been patched in commit 20dba06bd1a3cf260612d4f21547c25002121cd5. There are no known workarounds.
- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Published
- 2023-08-04
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-434
Affected products
- renjikai / linuxasmcallgraph
Matched remediation archetype
Path traversal, unsafe upload, and file handling
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
- Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
- Review canonicalization and containment checks across supported operating systems and storage backends.
Remediate safely
- Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
- Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
- Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.
Authoritative sources
Complete CVE record and remediation plan
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