Vulnerability Details : CVE-2018-16767
In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because of an unspecified "heap-buffer-overflow" condition in FunctionValidationContext::popAndValidateOperand.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2018-16767
- Webassembly Virtual Machine Project » Webassembly Virtual MachineVersions up to, including, (<=) 2018-07-26cpe:2.3:a:webassembly_virtual_machine_project:webassembly_virtual_machine:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16767
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16767
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-16767
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16767
-
https://github.com/AndrewScheidecker/WAVM/issues/97
FunctionValidationContext::popAndValidateOperand(char const*, IR::ValueType) heap-buffer-overflow parsing running wasm file causing crash · Issue #97 · WAVM/WAVM · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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