CVE-2012-2135
medium
CVSS v3
—
CVSS v2
6.4
VIR risk
6.4
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: secalert@redhat.com — http://bugs.python.org/issue14579
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| ubuntu | 10.04 | affected | |
| ubuntu | 11.04 | affected | |
| ubuntu | 11.10 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 12.10 | affected | |
| debian | 6.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| python | python | {"startIncluding":"2.7.0","endExcluding":"2.7.4"} | 2.7.4 |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389
- http://bugs.python.org/issue14579
- http://secunia.com/advisories/51087
- http://secunia.com/advisories/51089
- http://www.openwall.com/lists/oss-security/2012/04/25/2
- http://www.openwall.com/lists/oss-security/2012/04/25/4
- http://www.ubuntu.com/usn/USN-1615-1
- http://www.ubuntu.com/usn/USN-1616-1
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389
- http://bugs.python.org/issue14579
- http://secunia.com/advisories/51087
- http://secunia.com/advisories/51089
- http://www.openwall.com/lists/oss-security/2012/04/25/2
- http://www.openwall.com/lists/oss-security/2012/04/25/4
- http://www.ubuntu.com/usn/USN-1615-1
- http://www.ubuntu.com/usn/USN-1616-1
Verify integrity in audit chain (admin only). AS-IS.