CVE-2009-4247

Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x…

published January 25, 2010

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

⚠️ A sneaky buffer overflow lurking in RealNetworks RealPlayer could turn a simple media playback into an application crash! 🎬 Think of it like a crowded theater where an overzealous usher keeps trying to fit more people into seats that are already full — eventually, something's going to give, and chaos ensues! 🎭 An attacker could exploit this vulnerability to crash the application, leaving users frustrated and unable to watch their favorite content. In a worst-case scenario, it could even open the door for executing arbitrary code, which is absolutely devastating for user security! 😱

Put simply

Think of it like a crowded theater where an overzealous usher keeps trying to fit more people into seats that are already full — eventually, something's going to give, and chaos ensues! 🎭 The stack-based buffer overflow originates from the rtspclnt.cpp file, allowing remote attackers to cause a denial of service or possibly execute arbitrary code by flooding the application with an ASM RuleBook containing too many rules, leading to an array overflow.

What to do

An attacker could exploit this vulnerability to crash the application, leaving users frustrated and unable to watch their favorite content. In a worst-case scenario, it could even open the door for executing arbitrary code, which is absolutely devastating for user security! 😱 To protect yourself, make sure to update RealPlayer to the latest version available, which should have patched this vulnerability. Additionally, consider limiting the number of rules in any ASM RuleBook you might use, as a precaution. 🔒 You've got this! Follow these steps, and you’ll keep your media experience smooth and secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06810 · 94.0th percentile
Published
2010-01-25T19:00Z
EPSS history
Timeline
  • 25 JAN 19:00Z
    Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x…
    cvelistv5