Libopencad
CVE-2018-18480
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash.
AnalysisAI
A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash. Affected products include: Libopencad Project Libopencad.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
More in Libopencad
View allSame weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today