Vulnerability · Published Oct 10, 2023 · Assigned by microsoft
CVE-2023-38171Microsoft QUIC Denial of Service Vulnerability
High 7.5
In plain English
A high-severity null pointer dereference in Microsoft Visual Studio 2022 version 17.2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 71.0% (higher than 99.4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)71.0%top 0.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Microsoft QUIC Denial of Service Vulnerability
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | microsoft.native.quic.msquic.openssl | 2.2.3 | GHSA-xh5m-8qqp-c5x7 |
| NuGet | microsoft.native.quic.msquic.schannel | 2.2.3 | GHSA-xh5m-8qqp-c5x7 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.2 | 17.2.0 – before 17.2.21 |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 | 17.4.0 – before 17.4.13 |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 – before 17.6.9 |
| Microsoft | Microsoft Visual Studio 2022 version 17.7 | 17.7.0 – before 17.7.6 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.2031 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.2538 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.2428 |
| Microsoft | .NET 7.0 | 7.0.0 – before 7.0.13 |
| Microsoft | PowerShell 7.3 | 7.3.0 – before 7.3.9 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
- Microsoft QUIC Denial of Service Vulnerability vendor-advisory