CVE-2004-0840 Integer overflow in n/a
Remote attackers can execute arbitrary code on Windows SMTP and Exchange Routing Engine via malicious DNS responses with invalid length values.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2004-0840?
CVE-2004-0840 is a critical vulnerability in Microsoft Exchange Server, published on 16 Oct 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The SMTP (Simple Mail Transfer Protocol) component of Microsoft Windows XP 64-bit Edition, Windows Server 2003, Windows Server 2003 64-bit Edition, and the Exchange Routing Engine component of Exchange Server 2003, allows remote attackers to execute arbitrary code via a malicious DNS response message containing length values that are not properly validated.
Weakness: CWE-20
Which versions are affected by CVE-2004-0840?
It affects 3 products.
Products include Microsoft Exchange Server, Microsoft Windows Server 2003, Microsoft Windows Xp.
How do I fix CVE-2004-0840?
No fix has been published for CVE-2004-0840 yet. Limit exposure of the affected software until one is available.
Is CVE-2004-0840 being exploited?
There is no known exploitation of CVE-2004-0840 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Exchange Server
- CVE-2024-21410 Microsoft Exchange Server Privilege Escalation
- CVE-2021-34473 Microsoft Exchange Server Remote Code Execution
- CVE-2021-26855 Microsoft Exchange Server Remote Code Execution
- CVE-2021-34523 Microsoft Exchange Server Privilege Escalation
- CVE-2023-21529 Microsoft Exchange Server Deserialization of Untrusted Data
Sources
Also known as GHSA-6xx6-74w2-pvf3.