CVE-2015-3829

Off-by-one error in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in Android before 5.1.1 LMY48I allows remote attackers to…

published October 1, 2015

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.8th percentile for exploit probability.

CVSS
—
EPSS
90%
Percentile
99.8
In the wild
Unconfirmed
What it is

⚠️ An off-by-one error in libstagefright could let attackers cause chaos with crafted MPEG-4 files! Just a tiny miscalculation could lead to big trouble. 🔥 Imagine a meticulous chef who misreads a recipe by just one letter — instead of adding one teaspoon of salt, they add a whole cup! The final dish could spoil the entire meal, just like this bug can ruin system stability by mishandling data. With this vulnerability, an attacker could execute arbitrary code or trigger a denial of service, causing the device to crash or behave unexpectedly. This could lead to sensitive data exposure or render the device unusable, impacting user experience dramatically!

Put simply

Imagine a meticulous chef who misreads a recipe by just one letter — instead of adding one teaspoon of salt, they add a whole cup! The final dish could spoil the entire meal, just like this bug can ruin system stability by mishandling data. The off-by-one error occurs in the parseChunk function within the MPEG4Extractor, leading to integer overflow and memory corruption when processing certain MPEG-4 covr atoms. This flaw can be exploited remotely with specially crafted files, causing severe issues in Android versions prior to 5.1.1 LMY48I.

What to do

With this vulnerability, an attacker could execute arbitrary code or trigger a denial of service, causing the device to crash or behave unexpectedly. This could lead to sensitive data exposure or render the device unusable, impacting user experience dramatically! Update your Android devices to version 5.1.1 LMY48I or later to eliminate this vulnerability. If you're developing applications that utilize libstagefright, ensure you're using an updated library version as part of your security practices. Regularly audit your app's media handling functionalities. You've got this! Stay ahead of vulnerabilities and keep your devices secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.89888 · 99.8th percentile
Published
2015-10-01T00:00Z
EPSS history
Timeline
  • 01 OCT 00:00Z
    Off-by-one error in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in Android before 5.1.1 LMY48I allows remote attackers to…
    cvelistv5