CVE-2011-0026 Integer overflow in n/a

Critical 9.3 Published 12 Jan 2011 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via a buffer overflow in MDAC/WDAC caused by an integer signedness error in ODBC API.

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-2011-0026?

CVE-2011-0026 is a critical vulnerability in n/a, published on 12 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer signedness error in the SQLConnectW function in an ODBC API (odbc32.dll) in Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, allows remote attackers to execute arbitrary code via a long string in the Data Source Name (DSN) and a crafted szDSN argument, which bypasses a signed comparison and leads to a buffer overflow, aka "DSN Overflow Vulnerability."

Weakness: CWE-189

Which versions are affected by CVE-2011-0026?

It affects 2 products.

Products include Microsoft Data Access Components, Microsoft Windows Data Access Components.

How do I fix CVE-2011-0026?

No fix has been published for CVE-2011-0026 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-0026 being exploited?

There is no known exploitation of CVE-2011-0026 in the wild and no public exploit code.

Sources

Also known as GHSA-g3pv-wmg4-q78r.