Cjson
CVE-2018-1000217
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Dave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free vulnerability in cJSON library that can result in Possible crash, corruption of data or even RCE. This attack appear to be exploitable via Depends on how application uses cJSON library. If application provides network interface then can be exploited over a network, otherwise just local.. This vulnerability appears to have been fixed in 1.7.4.
AnalysisAI
Dave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free vulnerability in cJSON library that can result in Possible crash, corruption of data or even RCE. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Dave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free vulnerability in cJSON library that can result in Possible crash, corruption of data or even RCE. This attack appear to be exploitable via Depends on how application uses cJSON library. If application provides network interface then can be exploited over a network, otherwise just local.. This vulnerability appears to have been fixed in 1.7.4. Affected products include: Davegamble Cjson. Version information: version 1.7.3.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c
cJSON before 1.7.11 allows out-of-bounds access, related to multiline comments. Rated critical severity (CVSS 9.8), this
cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal. Rated critical severity (CVSS 9.8)
Dave Gamble cJSON version 1.7.2 and earlier contains a CWE-415: Double Free vulnerability in cJSON library that can resu
cJSON v1.7.17 was discovered to contain a segmentation violation, which can trigger through the second parameter of func
cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_SetValuestring at cJSON.c. Rated
cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_InsertItemInArray at cJSON.c. Ra
DaveGamble/cJSON cJSON 1.7.8 is affected by: Improper Check for Unusual or Exceptional Conditions. Rated high severity (
Denial of service in cJSON (DaveGamble's C JSON parser) through version 1.7.19 lets a remote attacker crash any applicat
Denial of service in the cJSON C library (versions through 1.7.19) arises from exponential algorithmic complexity in the
Dave Gamble cJSON version 1.7.6 and earlier contains a CWE-772 vulnerability in cJSON library that can result in Denial
Non-atomic JSON Patch application in cJSON through 1.7.19 allows an attacker who controls the patch document to silently
Same weakness CWE-416 – Use After Free
View allSame technique Memory Corruption
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External POC / Exploit Code
Leaving vuln.today