CVE-2017-1000158

2017-11-1700:00:00

ubuntu.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.014 Low

EPSS

Percentile

86.4%

JSON

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)

Bugs

<https://bugs.python.org/issue30657>

Notes

Author	Note
tyhicks	PyBytes_DecodeEscape() may be affected in Python 3.x versions. Please check.
mdeslaur	per upstream bug, 3.6 and 3.7 aren’t affected

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchpython2.7< 2.7.6-8ubuntu0.4UNKNOWN
ubuntu16.04noarchpython2.7< 2.7.12-1ubuntu0~16.04.2UNKNOWN
ubuntu17.04noarchpython2.7< 2.7.13-2ubuntu0.1UNKNOWN
ubuntu14.04noarchpython3.4< 3.4.3-1ubuntu1~14.04.6UNKNOWN
ubuntu14.04noarchpython3.5< 3.5.2-2ubuntu0~16.04.4~14.04.1UNKNOWN
ubuntu16.04noarchpython3.5< 3.5.2-2ubuntu0~16.04.4UNKNOWN
ubuntu17.04noarchpython3.5< 3.5.3-1ubuntu0~17.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	python2.7	< 2.7.6-8ubuntu0.4	UNKNOWN
ubuntu	16.04	noarch	python2.7	< 2.7.12-1ubuntu0~16.04.2	UNKNOWN
ubuntu	17.04	noarch	python2.7	< 2.7.13-2ubuntu0.1	UNKNOWN
ubuntu	14.04	noarch	python3.4	< 3.4.3-1ubuntu1~14.04.6	UNKNOWN
ubuntu	14.04	noarch	python3.5	< 3.5.2-2ubuntu0~16.04.4~14.04.1	UNKNOWN
ubuntu	16.04	noarch	python3.5	< 3.5.2-2ubuntu0~16.04.4	UNKNOWN
ubuntu	17.04	noarch	python3.5	< 3.5.3-1ubuntu0~17.04.2	UNKNOWN