CVE-2024-31755: Null Pointer Dereference
First published: Fri Apr 26 2024(Updated: )
cJSON v1.7.17 was discovered to contain a segmentation violation, which can trigger through the second parameter of function cJSON_SetValuestring at cJSON.c.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/cjson | <1.7.15-1ubuntu0.1~ | 1.7.15-1ubuntu0.1~ |
| ubuntu/cjson | <1.7.16-1ubuntu0.2 | 1.7.16-1ubuntu0.2 |
| ubuntu/cjson | <1.7.17-1ubuntu0.1~ | 1.7.17-1ubuntu0.1~ |
| ubuntu/cjson | <1.7.18 | 1.7.18 |
| debian/cjson | <=1.7.15-1+deb12u1 | 1.7.14-1+deb11u1 1.7.18-3 |
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Reference Links
- https://github.com/DaveGamble/cJSON/issues/839
- https://launchpad.net/bugs/cve/CVE-2024-31755
- https://github.com/DaveGamble/cJSON/pull/840
- https://github.com/DaveGamble/cJSON/commit/7e4d5dabe7a9b754c601f214e65b544e67ba9f59
- https://security-tracker.debian.org/tracker/CVE-2024-31755
- https://www.cve.org/CVERecord?id=CVE-2024-31755
- https://github.com/DaveGamble/cJSON/pull/849/commits/18d1749e26eb1abe803bf49f383e72faec02da93
- https://ubuntu.com/security/notices/USN-6784-1
- https://nvd.nist.gov/vuln/detail/CVE-2024-31755
- https://ubuntu.com/security/CVE-2024-31755
Frequently Asked Questions
What is the severity of CVE-2024-31755?
CVE-2024-31755 has been classified as a high-severity vulnerability due to the potential for remote code execution resulting from a segmentation violation.
How do I fix CVE-2024-31755?
To mitigate CVE-2024-31755, users should upgrade to cJSON version 1.7.18 or later, or any patched version provided by their operating system vendor.
What software is affected by CVE-2024-31755?
CVE-2024-31755 affects cJSON version 1.7.17 and earlier versions across various distributions, including Ubuntu and Debian.
What are the potential consequences of CVE-2024-31755?
Exploitation of CVE-2024-31755 could lead to denial of service and potentially allow attackers to execute arbitrary code on affected systems.
Is there any workaround for CVE-2024-31755?
Currently, the best course of action for CVE-2024-31755 is to apply the available software updates as no reliable workarounds have been reported.
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