Critical · published November 17, 2017
⚠️ An integer overflow in CPython could become a heap-based buffer overflow, possibly leading to arbitrary code execution! 😱 This is like a restaurant's kitchen receiving an order that's way too big for their pots — they just can't handle it, and everything spills over, creating a chaotic mess. If an attacker can exploit this, they could take control and cook whatever they want in your system! If this vulnerability is exploited, an attacker could potentially execute arbitrary code on the affected system, resulting in unauthorized access, data manipulation, or even system crashes. It's a dangerous scenario that could put your project at risk!
This is like a restaurant's kitchen receiving an order that's way too big for their pots — they just can't handle it, and everything spills over, creating a chaotic mess. If an attacker can exploit this, they could take control and cook whatever they want in your system! The flaw exists in the PyString_DecodeEscape function in stringobject.c of CPython up to version 2.7.13, where an integer overflow can lead to a heap-based buffer overflow, allowing attackers to inject harmful code.
If this vulnerability is exploited, an attacker could potentially execute arbitrary code on the affected system, resulting in unauthorized access, data manipulation, or even system crashes. It's a dangerous scenario that could put your project at risk! To mitigate this risk, it's crucial to upgrade CPython to version 2.7.14 or later. Regularly review your dependencies and ensure you're using the latest, safest versions. Implementing security practices like code reviews can help catch similar vulnerabilities down the line. You've got this! Take these steps, and you'll bolster your security in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| python/python | < 2.7.15 | 2.7.15 |
| python/python | ≥ 3.4.0, < 3.4.8 | 3.4.8 |
| python/python | ≥ 3.5.0, < 3.5.5 | 3.5.5 |
| debian/debian_linux | all versions | — |
| debian/debian_linux | all versions | — |
| debian/debian_linux | all versions | — |