PT-2023-5942 · Microsoft+1 · Quic+2

Ziming Zhang · Published 2023-10-10 · Updated 2024-12-13 · CVE-2023-36435

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Microsoft QUIC (affected versions not specified)

Description The issue is related to insufficient input validation in the implementation of the QUIC network protocol in the Windows operating system. This can be exploited by a remote attacker to cause a denial of service. The MsQuic server may continue to leak memory until no more is available, resulting in a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Memory Leak

Resource Exhaustion

RCE

Weakness Enumeration

CWE-401

CWE-400

CWE-20

Related Identifiers

ALT-PU-2024-1065

ALT-PU-2024-1066

ALT-PU-2024-1067

ALT-PU-2024-16796

ALT-PU-2024-16939

ALT-PU-2024-2765

ALT-PU-2024-2767

BDU:2023-06639

BIT-DOTNET-2023-36435

BIT-DOTNET-SDK-2023-36435

CVE-2023-36435

GHSA-FR44-546P-7XCP

Affected Products

Alt Linux

Quic

Windows

References · 17

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-36435 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-36435 · Security Note
• https://bdu.fstec.ru/vul/2023-06639 · Security Note
• https://osv.dev/vulnerability/BIT-dotnet-2023-36435 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36435 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36435 · Security Note
• https://osv.dev/vulnerability/CVE-2023-36435 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fr44-546p-7xcp · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-sdk-2023-36435 · Vendor Advisory
• https://github.com/microsoft/msquic · Note
• https://github.com/microsoft/msquic/commit/d364feeda0dd8b729eca6fef149c1ef98630f0cb · Note
• https://github.com/microsoft/msquic/security/advisories/GHSA-fr44-546p-7xcp · Note
• https://twitter.com/windowsforum/status/1866566351021629747 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2023101089 · Note
• https://t.me/cibsecurity/71995 · Telegram Post