Vulnerability CVE-2021-45945
Published: 2022-01-01

Description:
uWebSockets 19.0.0 through 20.8.0 has an out-of-bounds write in std::__1::pair<unsigned int, void*> uWS::HttpParser::fenceAndConsumePostPadded<0 (called from uWS::HttpParser::consumePostPadded and std::__1::__function::__func<LLVMFuzzerTestOneInput::$_0, std::__1::allocator<LL).

Type:

CWE-787

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Uwebsockets project -> Uwebsockets 

 References:
https://github.com/uNetworking/uWebSockets/commit/4e4fd20b8ce03b30810cdb49b6237fb475c5ae05
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31457
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/uwebsockets/OSV-2021-453.yaml
Copyright 2024, cxsecurity.com

 

Back to Top