CVE-2004-1309

Heap-based buffer overflow in the demux_open_bmp function in demux_bmp.c for Unix MPlayer 1.0pre5 allows remote attackers to execute arbitrary code via a…

published December 22, 2004

CVSS
—
EPSS
5%
Percentile
92.4
In the wild
Unconfirmed
What it is

⚠️ A cunningly crafted BMP file could let an attacker execute arbitrary code with a simple file upload! 🌐 Think of this vulnerability like an unsuspecting delivery driver accepting a package that looks normal on the outside but is filled with sneaky surprises. Just like a package that swells unexpectedly, this exploit targets a specific field in the BMP file that, when manipulated, bursts the buffer and allows unauthorized access. If successfully exploited, an attacker could take control of the affected system, potentially leading to data breaches or complete system compromise. This could escalate into a devastating incident where sensitive information is accessed or manipulative commands are executed without the user's consent.

Put simply

Think of this vulnerability like an unsuspecting delivery driver accepting a package that looks normal on the outside but is filled with sneaky surprises. Just like a package that swells unexpectedly, this exploit targets a specific field in the BMP file that, when manipulated, bursts the buffer and allows unauthorized access. This vulnerability arises from a heap-based buffer overflow in the demux_open_bmp function of MPlayer, specifically when handling BMP files with oversized biClrUsed fields. The lack of proper validation allows an attacker to craft a malicious BMP file that can overwrite adjacent memory and execute arbitrary code.

What to do

If successfully exploited, an attacker could take control of the affected system, potentially leading to data breaches or complete system compromise. This could escalate into a devastating incident where sensitive information is accessed or manipulative commands are executed without the user's consent. To mitigate this vulnerability, ensure that you are running the latest version of MPlayer. Consider applying any patches available and avoid processing untrusted BMP files until you have updated your software. Regularly review your code for similar vulnerabilities as part of good security hygiene. You've got this! Stay proactive and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05178 · 92.4th percentile
Published
2004-12-22T05:00Z
EPSS history
Timeline
  • 22 DEC 05:00Z
    Heap-based buffer overflow in the demux_open_bmp function in demux_bmp.c for Unix MPlayer 1.0pre5 allows remote attackers to execute arbitrary code via a…
    cvelistv5