Python 2.7 - Integer Overflow and Heap Corruption
Summary
DLA-1189-1: python2.7 - security update. Affects python2.7 versions < 2.7.3-6+deb7u4. Fixed in 2.7.3-6+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
Python 2.7 is an interactive high-level object-oriented language widely used for various applications. It is the reference implementation of Python, also known as CPython. This vulnerability affects versions 2.6 and 2.7 of CPython. The issue arises due to improper handling of large strings with escaped characters, leading to an integer overflow and heap corruption. These vulnerabilities can potentially allow an attacker to execute arbitrary code.
Vulnerability Detail
The vulnerability, identified as CVE-2017-1000158, affects Python 2.7. It stems from an integer overflow and heap corruption caused by the mishandling of large strings with escaped characters. This flaw can be exploited by an attacker to execute arbitrary code on a vulnerable system. The impact of this vulnerability can be severe, as it allows unauthorized execution of code, potentially leading to unauthorized access, data breaches, or system compromise.
How To Fix
Minimum fixed version
2.7.3-6+deb7u4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python2.7Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended course of action is to apply the provided security update to the python2.7 package.
Conclusion
In conclusion, Python 2.7 versions 2.6 and 2.7 are vulnerable to an integer overflow and heap corruption issue. This vulnerability, identified as CVE-2017-1000158, can allow an attacker to execute arbitrary code on a vulnerable system. To mitigate this vulnerability, it is crucial to upgrade the python2.7 package to version 2.7.3-6+deb7u4 or later. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for python2.7 →
FAQ
This vulnerability allows an attacker to execute arbitrary code on a vulnerable system, potentially leading to unauthorized access, data breaches, or system compromise.
The vulnerability affects CPython versions 2.6 and 2.7.
To fix this vulnerability, upgrade the python2.7 package to version 2.7.3-6+deb7u4 or later.
No specific workaround is mentioned. It is recommended to apply the provided security update.
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 python2.7.
