Home/CVE/Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 a
CVE

CVE-2014-4616

Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 a

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.

MEDIUM · CVSS 5.9 EPSS 0.00427
Schedule remediation
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-129Improper Validation of Array Index
▤

Affected Products & Versions

7
python>= 2.7.0 and < 2.7.7
python>= 3.0.0 and < 3.2.6
python>= 3.3.0 and < 3.3.6
python>= 3.4.0 and < 3.4.1
simplejson project simplejson< 2.6.1
opensuseall versions
opensuse project opensuseall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI simplejson MODERATE fixed in 2.6.1
⚠

Public Exploits & PoCs

1
pochackerone.com · 12297hackerone.com
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Reverse Shell Execution Via PTY And Socket Modules
producthighInline Python Execution - Spawn Shell Via OS System Library
producthighPython One-Liners with Base64 Decoding - Linux
producthighPython Function Execution Security Warning Disabled In Excel
producthighPython One-Liners with Base64 Decoding
producthighPython Spawning Pretty TTY on Windows
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2017 · 08:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

4
usnUSN-2653-1
rhsaRHEA-2014:1175Moderate
rhsaRHSA-2015:2101Moderate
rhsaRHSA-2015:1064Moderate
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://bugs.python.org/issue21529Issue TrackingVendor Advisory
http://lists.opensuse.org/opensuse-updates/2014-07/msg00015.htmlMailing ListThird Party Advisory
http://openwall.com/lists/oss-security/2014/06/24/7Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1064.htmlThird Party Advisory
http://www.securityfocus.com/bid/68119Third Party AdvisoryVDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=752395Issue TrackingMailing ListThird Party Advisory
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