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CVE-2013-7040
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
Description
Python 2.7 before 3.4 only uses the last eight bits of the prefix to randomize hash values, which causes it to compute hash values without restricting the ability to trigger hash collisions predictably and makes it easier for context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1150..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 4.3/10
- Exploit Score
- 8.6/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- Partial
- Integrity Impact
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.6:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.5:-:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.3:rc2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.1:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.2150:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.4:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.3:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.1150:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.1:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.5:rc2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.2:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.7:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.5:rc1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:2.7.2150:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.2:alpha:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.3:beta2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:a:python:python:3.1.4:*:*:*:*:*:*:* |
Yes
|
- | - |