Spoofing attack in Microsoft Exchange Server - CVE-2024-49040

Vulnerability identifier: #VU100312

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-49040

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof content of email messages in the Microsoft Exchange client interface.

Microsoft Exchange Server
Anolis OS
openEuler
thunderbird
thunderbird-debuginfo
thunderbird-debugsource
thunderbird-librnp-rnp
thunderbird-wayland

Install updates from vendor's website.

Microsoft Exchange Server - addressed in versions 2016 CU23 Nov24HU 15.01.2507.043, 2019 CU13 Nov24HU 15.02.1258.038, 2019 CU14 Nov24HU 15.02.1544.013
thunderbird - update to 128.7.0-1.0.1
thunderbird - update to 128.11.1-1
thunderbird-debuginfo - update to 128.11.1-1
thunderbird-debugsource - update to 128.11.1-1
thunderbird-librnp-rnp - update to 128.11.1-1
thunderbird-wayland - update to 128.11.1-1

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49040

• Spoofing attack in Microsoft Exchange Server
• Anolis OS update for thunderbird
• openEuler 24.03 LTS SP2 update for thunderbird