CVE-2017-1000158 Information

Description

CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c resulting in heap-based buffer overflow (and possible arbitrary code execution)

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securitytracker.com/id/1039890 https://bugs.python.org/issue30657 https://lists.debian.org/debian-lts-announce/2017/11/msg00035.html https://lists.debian.org/debian-lts-announce/2017/11/msg00036.html https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html https://security.gentoo.org/glsa/201805-02 https://www.debian.org/security/2018/dsa-4307

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8