CVE-2011-1512

Heap-based buffer overflow in xlssr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via…

published May 31, 2011

CVSS
—
EPSS
7%
Percentile
94.0
In the wild
Unconfirmed
What it is

⚠️ A heap-based buffer overflow lurks in xlssr.dll, waiting for the right Excel file to exploit it! Just a malformed BIFF record in a .xls attachment opens the door for remote attackers to execute arbitrary code. 🔥 Think of this vulnerability like a restaurant serving a dish that’s too large for the plate. If the chef isn’t careful, the food spills over and messes everything up—just like how this flawed code can overflow and let attackers take control from afar! If exploited, an attacker could send a malicious .xls file that could allow them to run any code they wish on the victim's machine, potentially leading to data theft or system compromise. Not exactly the kind of surprise you want lurking in your inbox!

Put simply

Think of this vulnerability like a restaurant serving a dish that’s too large for the plate. If the chef isn’t careful, the food spills over and messes everything up—just like how this flawed code can overflow and let attackers take control from afar! This heap-based buffer overflow occurs in the xlssr.dll component of Autonomy KeyView, which is bundled with older versions of IBM Lotus Notes prior to 8.5.2 FP3. It processes malformed BIFF records in Excel spreadsheets without proper checks, enabling arbitrary code execution.

What to do

If exploited, an attacker could send a malicious .xls file that could allow them to run any code they wish on the victim's machine, potentially leading to data theft or system compromise. Not exactly the kind of surprise you want lurking in your inbox! To protect against this vulnerability, upgrade to IBM Lotus Notes 8.5.2 FP3 or later, ensuring that your software is up-to-date. Additionally, educate users on the dangers of opening unexpected email attachments. 🛡️ You've got this! With these steps, you'll be one step closer to securing your systems. Keep up the great work! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06867 · 94.0th percentile
Published
2011-05-31T20:00Z
EPSS history
Timeline
  • 31 MAY 20:00Z
    Heap-based buffer overflow in xlssr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via…
    cvelistv5