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Python < 2.7.14, 3.4.x < 3.4.8, 3.5.x < 3.5.5 PyString_DecodeEscape integer overflow (bpo-30657) - Linux

Information

Severity

Severity

High

Family

Family

Buffer overflow

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

CPython (aka Python) is prone to an integer overflow vulnerability.

Insight

Insight

An integer overflow in the 'PyString_DecodeEscape' function in 'stringobject.c' is resulting in a heap-based buffer overflow (and possible arbitrary code execution).

Affected Software

Affected Software

Python prior to version 2.7.14, versions 3.4.x prior to 3.4.8 and 3.5.x prior to 3.5.5.

Detection Method

Detection Method

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

Solution

Solution

Update to version 2.7.14, 3.4.8, 3.5.5 or later.

Common Vulnerabilities and Exposures (CVE)