Buffer Overflow Vulnerability in optipng
Summary
DLA-1196-1: optipng - security update. Affects optipng versions < 0.6.4-1+deb7u4. Fixed in 0.6.4-1+deb7u4. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
optipng is an advanced PNG optimizer that is used to reduce the file size of PNG images without affecting their quality. It achieves this by employing various compression techniques and optimization algorithms. However, a vulnerability has been discovered in optipng that allows remote attackers to exploit a buffer overflow issue. This vulnerability can be triggered by a maliciously crafted GIF format file, leading to a denial-of-service attack or other unspecified impacts.
Vulnerability Detail
The vulnerability in optipng is caused by an uncontrolled loop in the LZWReadByte function of the gifread.c file. By exploiting this issue, an attacker can overflow a buffer and potentially execute arbitrary code or disrupt the normal functioning of the application. The impact of this vulnerability can range from crashing the application to remote code execution, depending on the attacker's intentions and the target system's configuration.
How To Fix
Minimum fixed version
0.6.4-1+deb7u4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade optipngTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the provided fix by upgrading the optipng package to the patched version.
Conclusion
The buffer overflow vulnerability in optipng can be exploited by remote attackers through a maliciously crafted GIF format file. To mitigate this risk, it is crucial to upgrade the optipng package to version 0.6.4-1+deb7u4 or later. Failure to apply the fix may result in denial-of-service attacks or arbitrary code execution. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for optipng →
FAQ
optipng is an advanced PNG optimizer that reduces the file size of PNG images without compromising their quality.
The vulnerability allows remote attackers to exploit a buffer overflow issue, potentially leading to a denial-of-service attack or arbitrary code execution.
To fix this vulnerability, you need to upgrade the optipng package to version 0.6.4-1+deb7u4 or later.
No, there is no known workaround for this vulnerability. It is crucial to apply the provided fix by upgrading the optipng package.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
Related vulnerabilities
Recent vulnerabilities recorded for optipng.
