CVE-2013-7040
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Python
PublishedMay 19, 2014
First seenMay 19, 2014
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python python | 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7, 2.7.1150, 2.7.2150, 3.0, 3.0.1, 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.2, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.2150, 3.3, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5 | — |
| apple mac_os_x | v ≤ 10.10.4 | — |
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