Vulnerability Details : CVE-2021-45293
A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-45293
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45293
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45293
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-45293
-
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-2021-45293
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKGCHPS7UAIOOBGSXDJAUFE5CROTTF6J/
[SECURITY] Fedora 34 Update: binaryen-105-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YCWLB4PWYQO55F7IGNC7KUYN2MFZE3JP/
[SECURITY] Fedora 35 Update: binaryen-105-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/WebAssembly/binaryen/issues/4384
Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet(wasm::Block*) · Issue #4384 · WebAssembly/binaryen · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
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