PT-2023-6952 · Microsoft · Exchange Server

Chudypb + 1 · Published 2023-08-16 · Updated 2024-05-29 · CVE-2023-36050

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description The issue is related to a deserialization mechanism weakness in Microsoft Exchange Server, specifically with the SerializationTypeConverter class, which can lead to insufficient protection of service data. This can allow a remote attacker to conduct spoofing attacks. The vulnerability is associated with the deserialization of untrusted data, potentially leading to information disclosure. It is noted that exploitation of this issue can enable an attacker to impact the system.

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

Deserialization of Untrusted Data

Information Disclosure

Weakness Enumeration

CWE-502

CWE-200

Related Identifiers

BDU:2023-07971

CVE-2023-36050

ZDI-23-1640

Affected Products

Exchange Server

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36050 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-1640 · Security Note
• https://osv.dev/vulnerability/CVE-2023-36050 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07971 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-36050 · Security Note
• https://t.me/avleonovcom/1153 · Telegram Post
• https://t.me/cvenotify/60788 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023111454 · Note
• https://twitter.com/chudyPB/status/1724489497432244391 · Twitter Post