microsoft/msquic · Security
MsQuic Remote Denial of Service Vulnerability
- GHSA ID
- GHSA-fr44-546p-7xcp
- CVE ID
- CVE-2023-36435
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Impact
The MsQuic server will continue to leak memory until no more is available, resulting in a denial of service.
Patches
The following patch was made:
- Fix Memory Leak from Multiple Decodes of TP - https://github.com/microsoft/msquic/commit/d364feeda0dd8b729eca6fef149c1ef98630f0cb
Workarounds
Beyond upgrading to the patched versions, there is no other workaround.
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-401 · Missing Release of Memory after Effective Lifetime
References
- https://github.com/microsoft/msquic/security/advisories/GHSA-fr44-546p-7xcp ↗
- https://nvd.nist.gov/vuln/detail/CVE-2023-36435 ↗
- https://github.com/microsoft/msquic/commit/d364feeda0dd8b729eca6fef149c1ef98630f0cb ↗
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36435 ↗
- https://github.com/advisories/GHSA-fr44-546p-7xcp ↗