CVE-2011-1213

Integer underflow in lzhsr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via a…

published May 31, 2011

CVSS
—
EPSS
33%
Percentile
98.4
In the wild
Unconfirmed
What it is

⚠️ A crafty .lzh attachment could trigger an underflow in Autonomy KeyView—leading to remote code execution! 📬 Think of it like a poorly labeled package that, when opened, spills its contents everywhere and gives access to sensitive areas of a warehouse. An attacker simply needs to slip in a cleverly designed header, and chaos could ensue! If exploited, this vulnerability lets attackers run arbitrary code on your system as if they were you! This could lead to unauthorized access, data loss, or even total control over your environment—so it's no small potatoes!

Put simply

Think of it like a poorly labeled package that, when opened, spills its contents everywhere and gives access to sensitive areas of a warehouse. An attacker simply needs to slip in a cleverly designed header, and chaos could ensue! The integer underflow in lzhsr.dll allows remote attackers to craft a malicious header in .lzh files that results in a stack-based buffer overflow, ultimately enabling code execution without proper authorization.

What to do

If exploited, this vulnerability lets attackers run arbitrary code on your system as if they were you! This could lead to unauthorized access, data loss, or even total control over your environment—so it's no small potatoes! To mitigate this vulnerability, upgrade your IBM Lotus Notes to version 8.5.2 FP3 or later. Additionally, avoid opening untrusted .lzh attachments to reduce exposure. Regularly audit your email security practices to keep threats at bay! You've got this! Keep your systems updated, and you'll be a security hero in no time! 🦸‍♀️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.32961 · 98.4th percentile
Published
2011-05-31T20:00Z
EPSS history
Timeline
  • 31 MAY 20:00Z
    Integer underflow in lzhsr.dll in Autonomy KeyView, as used in IBM Lotus Notes before 8.5.2 FP3, allows remote attackers to execute arbitrary code via a…
    cvelistv5