CVE-2016-4303 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8