9.8
CRITICAL
CVE-2016-4303
CJSON Heap-Based Buffer Overflow
Description

The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 strings, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a non-hex character in a JSON string, which triggers a heap-based buffer overflow.

INFO

Published Date :

Sept. 26, 2016, 2:59 p.m.

Last Modified :

June 30, 2022, 3:13 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-4303 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse leap
2 Opensuse opensuse
1 Debian debian_linux
1 Novell suse_package_hub_for_suse_linux_enterprise
1 Iperf3_project iperf3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-4303.

URL Resource
http://blog.talosintel.com/2016/06/esnet-vulnerability.html Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.html Mailing List Third Party Advisory
http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released Release Notes Third Party Advisory
http://www.talosintelligence.com/reports/TALOS-2016-0164/ Exploit Third Party Advisory
https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00023.html Mailing List Third Party Advisory
https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.asc Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-4303 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-4303 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jun. 30, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://blog.talosintel.com/2016/06/esnet-vulnerability.html No Types Assigned http://blog.talosintel.com/2016/06/esnet-vulnerability.html Exploit, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.html Mailing List, Third Party Advisory
    Changed Reference Type http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released No Types Assigned http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released Release Notes, Third Party Advisory
    Changed Reference Type http://www.talosintelligence.com/reports/TALOS-2016-0164/ No Types Assigned http://www.talosintelligence.com/reports/TALOS-2016-0164/ Exploit, Third Party Advisory
    Changed Reference Type https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a No Types Assigned https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/01/msg00023.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/01/msg00023.html Mailing List, Third Party Advisory
    Changed Reference Type https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.asc No Types Assigned https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.asc Third Party Advisory
    Removed CWE NIST CWE-119
    Added CWE NIST CWE-120
    Changed CPE Configuration OR *cpe:2.3:a:iperf_project:iperf:*:*:*:*:*:*:*:* versions up to (including) 3.0.11 *cpe:2.3:a:iperf_project:iperf:*:*:*:*:*:*:*:* versions up to (including) 3.1.2 OR *cpe:2.3:a:iperf3_project:iperf3:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.0.12 *cpe:2.3:a:iperf3_project:iperf3:*:*:*:*:*:*:*:* versions from (including) 3.1 up to (excluding) 3.1.3
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 28, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00023.html [No Types Assigned]
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:leap:42.1:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Sep. 28, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:iperf_project:iperf:3.0.11:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:iperf_project:iperf:3.1.2:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Sep. 27, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-4303 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.72 }} 0.00%

score

0.85868

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability