CVE-2002-1123 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code on Microsoft SQL Server via a buffer overflow in the authentication function.

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-2002-1123?

CVE-2002-1123 is a high-severity memory corruption vulnerability in Microsoft Sql Server, published on 1 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attackers to execute arbitrary code via a long request to TCP port 1433, aka the "Hello" overflow.

Which versions are affected by CVE-2002-1123?

It affects 2 products.

Products include Microsoft Data Engine, Microsoft Sql Server.

How do I fix CVE-2002-1123?

No fix has been published for CVE-2002-1123 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2002-1123 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1123 exists.

Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.

All Microsoft Sql Server vulnerabilities

Sources

Also known as GHSA-wmvx-9r42-6cq7.

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