CVE-2016-4303
CRITICAL severity · CVSS 9.8 · Buffer overflow
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)7%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a ↗
Additional information
- NVD record
- https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412aPatch
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.htmlAdvisory
- http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-releasedAdvisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00023.htmlAdvisory
- https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.ascAdvisory
- http://blog.talosintel.com/2016/06/esnet-vulnerability.htmlAdvisory
- http://www.talosintelligence.com/reports/TALOS-2016-0164/Advisory