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CVE-2014-4616

Good to know:

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Date: August 24, 2017

Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the raw_decode function.

Language: Python

Severity Score

Related Resources (14)

http://bugs.python.org/issue21529
https://hackerone.com/reports/12297
https://github.com/simplejson/simplejson
https://access.redhat.com/security/cve/CVE-2014-4616
http://www.securityfocus.com/bid/68119
http://openwall.com/lists/oss-security/2014/06/24/7
https://bugs.python.org/issue21529
http://rhn.redhat.com/errata/RHSA-2015-1064.html
https://bugzilla.redhat.com/show_bug.cgi?id=1112285
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.html
https://nvd.nist.gov/vuln/detail/CVE-2014-4616
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395
https://security.gentoo.org/glsa/201503-10
https://www.mend.io/vulnerability-database/CVE-2014-4616

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Improper Validation of Array Index

CWE-129

Top Fix

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Upgrade to version simplejson - 2.6.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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