Deserialization of Untrusted Data in Microsoft Exchange Server - CVE-2022-41082
Published: September 30, 2022 / Updated: January 14, 2023
Vulnerability identifier: #VU67764
CSH Severity: Critical
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-41082
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote user with access to PowerShell Remoting on vulnerable Exchange systems can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Microsoft Exchange Server
How to mitigate CVE-2022-41082
Install update from vendor's website.
Microsoft Exchange Server - addressed in versions 2013 CU23 Nov22SU 15.00.1497.044, 2016 CU22 Nov22SU 15.01.2375.037, 2016 CU23 Nov22SU 15.01.2507.016, 2019 CU11 Nov22SU 15.02.0986.036, 2019 CU12 Nov22SU 15.02.1118.020
Links to Public Exploits and PoC-codes
- Exploit #8738 - CVE-2022-41082 (Exchange CVE '22) (January 14, 2023)
- Exploit #8732 - CVE-2022-41082-MASS-SCANNER () (January 11, 2023)
- Exploit #8693 - OWASSRF-CVE-2022-41082-POC (PoC for the CVE-2022-41080 , CVE-2022-41082 and CVE-2022-41076 Vulnerabilities Affecting Microsoft Exchange Servers) (December 25, 2022)
- Exploit #8635 - Microsoft Exchange ProxyNotShell RCE (November 30, 2022)
- Exploit #8608 - http-vuln-CVE-2022-41082 (Microsoft Exchange Server Remote Code Execution Vulnerability.) (November 15, 2022)
- Exploit #8439 - Exploit-CVE-2022-41040-CVE-2022-41082- (Zero-day vulnerabilities affecting Microsoft Exchange Server ) (October 4, 2022)
- Exploit #8434 - ProxyNotShell.py (October 4, 2022)
- Exploit #8431 - nse-exchange (Nmap scripts to detect exchange 0-day (CVE-2022-41082) vulnerability) (October 3, 2022)
- Exploit #8428 - CVE-2022-41082-Scanner (CVE-2022-41082 and CVE-2022-41040 (ProxyNotShell) mass scanner) (October 3, 2022)
External References
- https://gteltsc.vn/blog/warning-new-attack-campaign-utilized-a-new-0day-rce-vulnerability-on-microsoft-exchange-server-12715.html
- https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41082
- https://www.zerodayinitiative.com/advisories/ZDI-22-1442/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1624/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1654/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1653/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1652/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1651/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1650/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1649/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1648/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1647/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1646/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1645/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1644/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1643/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1642/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1641/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1640/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1639/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1638/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1637/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1636/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1635/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1634/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1633/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1632/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1631/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1630/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1629/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1628/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1627/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1626/
- https://www.zerodayinitiative.com/advisories/ZDI-22-1625/