CVE-2012-2135 The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive inf...
MediumCVSS 6.4
EPSS 4.5%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python | >= 2.7.0, < 2.7.4 | 2.7.4 |
| python | >= 3.2.0, < 3.2.4 | 3.2.4 |
| python | >= 3.3.0, < 3.3.3 | 3.3.3 |
| Canonical Ubuntu Linux | = 10.04 | No fix listed |
| Canonical Ubuntu Linux | = 11.04 | No fix listed |
| Canonical Ubuntu Linux | = 11.10 | No fix listed |
| Canonical Ubuntu Linux | = 12.04 | No fix listed |
| Canonical Ubuntu Linux | = 12.10 | No fix listed |
| debian linux | = 6.0 | No fix listed |
References
- bugs.debian.org third-party-advisory
- bugs.python.org vendor-advisory
- 51087 third-party-advisory
- 51089 third-party-advisory
- [oss-security] 20120425 CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated mailing-list third-party-advisory
- [oss-security] 20120425 Re: CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated mailing-list third-party-advisory
- USN-1615-1 third-party-advisory vendor-advisory
- USN-1616-1 third-party-advisory vendor-advisory