CVE-2011-4257

The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data

published November 24, 2011

CVSS
—
EPSS
3%
Percentile
86.7
In the wild
Unconfirmed
What it is

⚠️ A crafty channel data exploit is hiding in RealPlayer's Cook codec! This means remote attackers can execute arbitrary code without your permission. 🔥 Think of it like a restaurant where a sneaky diner slips a note to the chef with a secret recipe that could poison everyone’s dinner. The chef has no idea they're following a dangerous instruction! If an attacker sends malicious channel data, they could effectively take control of the system, install malware, or alter essential settings. This could lead to data breaches or even total system compromise, leaving users in a very risky situation.

Put simply

Think of it like a restaurant where a sneaky diner slips a note to the chef with a secret recipe that could poison everyone’s dinner. The chef has no idea they're following a dangerous instruction! This vulnerability in RealNetworks' RealPlayer Cook codec allows remote code execution via specially crafted channel data, enabling attackers to manipulate the player's behavior without any user intervention.

What to do

If an attacker sends malicious channel data, they could effectively take control of the system, install malware, or alter essential settings. This could lead to data breaches or even total system compromise, leaving users in a very risky situation. Ensure that you're using RealPlayer version 15.0.0 or higher to mitigate this risk. Regularly check for software updates and consider disabling support for unnecessary codecs if you're not using them. Staying updated is your best defense! You've got this! Keeping your software updated will help protect you from vulnerabilities like this. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02889 · 86.7th percentile
Published
2011-11-24T11:00Z
EPSS history
Timeline
  • 24 NOV 11:00Z
    The Cook codec in RealNetworks RealPlayer before 15.0.0 allows remote attackers to execute arbitrary code via crafted channel data
    cvelistv5