PoC Index

CVE-2016-4303

CRITICAL 9.8EPSS 7.0%

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 v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
6.96% chance of exploitation in the next 30 days, 94th percentile
Published
2016-09-26
Updated
2024-08-06

Proof-of-concept exploits (1)

References

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