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Python < 2.6.8, 2.7.x < 2.7.3, 3.1.x < 3.1.5, 3.2.x < 3.2.3 Hash DoS (bpo-13703) - Linux

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

Python is prone to a denial of service (DoS) vulnerability.

Insight

Insight

Python computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a DoS (CPU consumption) via crafted input to an application that maintains a hash table.

Affected Software

Affected Software

Python prior to version 2.6.8, versions 2.7.x prior to 2.7.3, 3.1.x < 3.1.5 and 3.2.x prior to 3.2.3.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 2.6.8, 2.7.3, 3.1.5, 3.2.3 or later.

Common Vulnerabilities and Exposures (CVE)