Python 2.6 - Integer Overflow and Heap Corruption
Summary
DLA-1190-1: python2.6 - security update. Affects python2.6 versions < 2.6.8-1.1+deb7u1. Fixed in 2.6.8-1.1+deb7u1. How to fix ↓
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Background
Python 2.6 is an interactive high-level object-oriented language commonly known as CPython. It is the reference implementation of Python and is vulnerable to an integer overflow and heap corruption issue. This vulnerability arises from improper handling of large strings with escaped characters.
Vulnerability Detail
The vulnerability, identified as CVE-2017-1000158, affects CPython versions 2.6 and 2.7. It can lead to arbitrary code execution due to an integer overflow and subsequent heap corruption. Attackers can exploit this vulnerability by manipulating large strings with escaped characters. The consequences of successful exploitation include potential arbitrary code execution, which can compromise the security and integrity of the affected system.
How To Fix
Minimum fixed version
2.6.8-1.1+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python2.6Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, Python 2.6 is vulnerable to an integer overflow and heap corruption issue (CVE-2017-1000158). To mitigate the risk, users should upgrade their python2.6 packages to version 2.6.8-1.1+deb7u1. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for python2.6 →
FAQ
The vulnerability can lead to arbitrary code execution, potentially compromising the security and integrity of the affected system.
CPython versions 2.6 and 2.7 are vulnerable to this issue.
Attackers can exploit this vulnerability by manipulating large strings with escaped characters.
No specific workaround has been provided. It is recommended to update the python2.6 package to the fixed version.
More information about Debian LTS security advisories, including how to apply updates and frequently asked questions, can be found at: https://wiki.debian.org/LTS
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