CVE-2016-4303
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-4303
Vendor advisory: cret@cert.org — https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a
Vendor advisory: cret@cert.org — http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.1.3-1 |
| debian | bullseye | fixed | 3.1.3-1 |
| debian | forky | fixed | 3.1.3-1 |
| debian | sid | fixed | 3.1.3-1 |
| debian | trixie | fixed | 3.1.3-1 |
| debian | 8.0 | affected | |
| suse | 42.1 | affected | |
| suse | 13.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| es | iperf3 | {"startIncluding":"3.0","endExcluding":"3.0.12"} | 3.0.12 |
| novell | suse_package_hub_for_suse_linux_enterprise | 12 | |
References
- 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.html#security-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
- https://security-tracker.debian.org/tracker/CVE-2016-4303
CWEs
CWE-120
Verify integrity in audit chain (admin only). AS-IS.