CVE-2021-25436 Code injection in Tizen wearable devices
Attackers can execute arbitrary code on Tizen wearable devices via the Samsung Accessory Protocol due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25436?
CVE-2021-25436 is a critical code injection vulnerability in Samsung Mobile Tizen wearable devices, published on 8 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper input validation vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows arbitrary code execution via Samsung Accessory Protocol.
Weakness: CWE-20
Which versions are affected by CVE-2021-25436?
It affects 1 product.
Products include Linux Tizen.
How do I fix CVE-2021-25436?
No fix has been published for CVE-2021-25436 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-25436 being exploited?
There is no known exploitation of CVE-2021-25436 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile Tizen wearable devices
- CVE-2021-25434 Code injection in Tizen wearable devices
- CVE-2021-25435 Code injection in Tizen wearable devices
- CVE-2021-25437 Missing authorization in Tizen wearable devices
- CVE-2018-16262 Privilege escalation in n/a
- CVE-2018-16263 The PulseAudio system service in Tizen allows an unprivileged process to control its A2DP MediaEndpoint, due to improper D-Bus security policy configurations.
Sources
Also known as GHSA-pqrw-6jhr-7hm6.