CVE-2021-22303 Use after free in Taurus-AL00A
Attackers can cause a module crash and service disruption via a pointer double free vulnerability in Huawei Taurus devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22303?
CVE-2021-22303 is a low-severity use after free vulnerability in Taurus-AL00A, published on 6 Feb 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
There is a pointer double free vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). There is a lack of muti-thread protection when a function is called. Attackers can exploit this vulnerability by performing malicious operation to cause pointer double free. This may lead to module crash, compromising normal service.
Weakness: CWE-415
Which versions are affected by CVE-2021-22303?
It affects 1 product.
Products include Huawei Taurus-Al00a Firmware.
How do I fix CVE-2021-22303?
No fix has been published for CVE-2021-22303 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-2021-22303 being exploited?
There is no known exploitation of CVE-2021-22303 in the wild and no public exploit code.
Other vulnerabilities in Taurus-AL00A
Sources
Also known as GHSA-p269-cjrj-rq9c.