PT-2023-5088 · Microsoft · Exchange Server

Chudypb + 1 · Published 2023-09-12 · Updated 2024-05-29 · CVE-2023-36756

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 errors in access control. It allows a remote attacker to execute arbitrary code in the context of the server account by making a network call. This can be achieved through the deserialization of untrusted data in the ApprovedApplicationCollection. The vulnerability can be exploited by a remote attacker to gain control over the system.

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

RCE

Improper Access Control

Deserialization of Untrusted Data

Weakness Enumeration

CWE-284

CWE-502

Related Identifiers

BDU:2023-05648

CVE-2023-36756

ZDI-23-1419

Affected Products

Exchange Server

References · 8

• https://zerodayinitiative.com/advisories/ZDI-23-1419 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-36756 · Security Note
• https://bdu.fstec.ru/vul/2023-05648 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36756 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-36756 · Vendor Advisory
• https://t.me/avleonovcom/1141 · Telegram Post
• https://t.me/avleonovcom/1137 · Telegram Post
• https://twitter.com/TheZDIBugs/status/1701714593632915463 · Twitter Post