CVE-2019-1010239 — DaveGamble/cJSON cJSON 1

DaveGamble/cJSON cJSON 1.7.8 is affected by: Improper Check for Unusual or Exceptional Conditions. The impact is: Null dereference, so attack can cause denial of service. The component is: cJSON_GetObjectItemCaseSensitive() function. The attack vector is: crafted json file. The f

01What is this vulnerability?

DaveGamble/cJSON cJSON 1.7.8 is affected by: Improper Check for Unusual or Exceptional Conditions. The impact is: Null dereference, so attack can cause denial of service. The component is: cJSON_GetObjectItemCaseSensitive() function. The attack vector is: crafted json file. The fixed version is: 1.7.9 and later.

02Affected products

Vendor	Product	Versions
DaveGamble	cJSON / cJSON	1.7.8 [fixed: 1.7.9 and later]

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-19T16:41:01.000Z
• Last modified: 2024-08-05T03:07:18.337Z

09References

• www.oracle.com — https://www.oracle.com/security-alerts/cpuoct2020.html
• github.com — https://github.com/DaveGamble/cJSON/issues/315
• github.com — https://github.com/DaveGamble/cJSON/commit/be749d7efa7c9021da746e685bd6dec79f9dd…