CVE-2016-4303

CWE-120 — Classic Buffer OverflowCWE-119 — Buffer Overflow9 documents7 sources
Severity
9.8CRITICAL
EPSS
5.7%
top 9.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
ES Iperf3Debian Debian LinuxNovell Suse Package HUB FOR Suse Linux Enterprise+2 more
Timeline
PublishedSep 26
Latest updateMay 13

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶NVDes/iperf33.0 — 3.0.12+1
▶Debianiperf3< 3.1.3-1+3
▶NVDopensuse/leap42.1

Also affects: Debian Linux 8.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-86rq-gv28-jjr6: The parse_string function in cjson↗2022-05-13
▶
OSV
CVE-2016-4303: The parse_string function in cjson↗2016-09-26
▶
CVEList
CVE-2016-4303: The parse_string function in cjson↗2016-09-26
▶

📋Vendor Advisories

2
Ubuntu
iperf3 vulnerability↗2021-03-15
▶
Debian
CVE-2016-4303: iperf3 - The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 str...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-4303 iperf3: JSON parsing vulnerability [fedora-all]↗2016-06-10
▶
Bugzilla
CVE-2016-4303 iperf3: JSON parsing vulnerability [epel-all]↗2016-06-10
▶
Bugzilla
CVE-2016-4303 iperf3: JSON parsing vulnerability↗2016-06-10
▶
CVE-2016-4303 (CRITICAL CVSS 9.8) | The parse_string function in cjson. | cvebase.io