CVE-2024-31755 Null dereference in n/a

High 7.6 Published 26 Apr 2024 Updated 2 Aug 2024

A segmentation violation in cJSON allows attackers to cause a denial of service via the cJSON_SetValuestring function.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-31755?

CVE-2024-31755 is a high-severity vulnerability in n/a, published on 26 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2024-31755?

It affects 1 product.

Linux distribution packages (19)

`cjson` Red Hat:satellite:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson-debuginfo` Red Hat:satellite:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson-debugsource` Red Hat:satellite:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson` Red Hat:satellite:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debuginfo` Red Hat:satellite:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debugsource` Red Hat:satellite:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson` Red Hat:satellite:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debuginfo` Red Hat:satellite:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debugsource` Red Hat:satellite:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cjson` Red Hat:satellite_capsule:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson-debuginfo` Red Hat:satellite_capsule:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson-debugsource` Red Hat:satellite_capsule:6.16::el8	All versions	`0:1.7.18-1.el8sat`
`cjson` Red Hat:satellite_capsule:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debuginfo` Red Hat:satellite_capsule:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debugsource` Red Hat:satellite_capsule:6.16::el9	All versions	`0:1.7.18-1.el9sat`
`cjson` Red Hat:satellite_capsule:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debuginfo` Red Hat:satellite_capsule:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cjson-debugsource` Red Hat:satellite_capsule:6.17::el9	All versions	`0:1.7.18-1.el9sat`
`cJSON` openSUSE:Tumbleweed	All versions	`1.7.18-1.1`

Products include Cjson Project Cjson.

How do I fix CVE-2024-31755?

Upgrade to a fixed version.

Is CVE-2024-31755 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-31755 exists.

Sources

Also known as AZL-40184, AZL-67458, BELL-CVE-2024-31755, DEBIAN-CVE-2024-31755, GHSA-5g69-hr8r-x577, MGASA-2024-0324 and 4 more.