CVE-2020-1862 Use after free in CampusInsight;ManageOne

Low 3.3 Published 20 Mar 2020 Updated 4 Aug 2024

A local attacker with low privileges can exploit a double free vulnerability in Huawei CampusInsight and ManageOne to cause service abnormalities.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-1862?

CVE-2020-1862 is a low-severity use after free vulnerability in CampusInsight;ManageOne, published on 20 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is a double free vulnerability in some Huawei products. A local attacker with low privilege may perform some operations to exploit the vulnerability. Due to doubly freeing memory, successful exploit may cause some service abnormal. Affected product versions include:CampusInsight versions V100R019C00;ManageOne versions 6.5.RC2.B050.

Weakness: CWE-415

Which versions are affected by CVE-2020-1862?

It affects 2 products.

Products include Huawei Campusinsight, Huawei Manageone.

How do I fix CVE-2020-1862?

No fix has been published for CVE-2020-1862 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-1862 being exploited?

There is no known exploitation of CVE-2020-1862 in the wild and no public exploit code.

Sources

Also known as GHSA-4vfv-mh26-wcj7.