CVE-2014-4616 simplejson before 2.6.1 vulnerable to array index error

Medium 5.9 Published 24 Aug 2017 Updated 6 Aug 2024

Attackers can read arbitrary process memory via a negative index in the raw_decode function of the Python JSON module.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2014-4616?

CVE-2014-4616 is a medium-severity vulnerability in Opensuse Opensuse, published on 24 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-129

Which versions are affected by CVE-2014-4616?

3 open source packages ship an affected version, including simplejson. It affects 4 products.

Package	Affected	Fixed in
`simplejson` PyPI	All versions	`2.6.1`
`simplejson` PyPI	All versions	`2.6.1`
`simplejson` PyPI	All versions	`2.6.1`

Products include Opensuse Opensuse, Opensuse Project Opensuse, Python Python, Simplejson Project Simplejson.

How do I fix CVE-2014-4616?

Upgrade simplejson to 2.6.1 or later.

Is CVE-2014-4616 being exploited?

There is no known exploitation of CVE-2014-4616 in the wild and no public exploit code.

All Opensuse Opensuse vulnerabilities

Sources

Also known as ALPINE-CVE-2014-4616, DEBIAN-CVE-2014-4616, GHSA-9772-cwx9-r4cj, MGASA-2014-0286, PSF-2017-1, PYSEC-2026-921 and 1 more.