CVE-2021-25435 Code injection in Tizen wearable devices
Attackers can execute arbitrary code on Tizen wearable devices via the recovery partition during wireless firmware downloads 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-2021-25435?
CVE-2021-25435 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 bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.
Weakness: CWE-20
Which versions are affected by CVE-2021-25435?
It affects 1 product.
Products include Linux Tizen.
How do I fix CVE-2021-25435?
No fix has been published for CVE-2021-25435 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-2021-25435 being exploited?
There is no known exploitation of CVE-2021-25435 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-2021-25436 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-qgcm-6r7q-m4wm.