Vulnerability Details : CVE-2019-15759
An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in wasm/wasm.cpp. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-15759
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 40 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-15759
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-15759
-
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-15759
-
https://github.com/WebAssembly/binaryen/issues/2288
Crash and Assertion failed in wasm2js · Issue #2288 · WebAssembly/binaryen · GitHubExploit;Patch;Third Party Advisory
-
https://github.com/WebAssembly/binaryen/pull/2289
Copying fixes by kripken · Pull Request #2289 · WebAssembly/binaryen · GitHubPatch;Third Party Advisory
Products affected by CVE-2019-15759
- cpe:2.3:a:webassembly:binaryen:*:*:*:*:*:*:*:*