CVE-2020-28055 Path traversal in n/a
A local attacker can read and write sensitive system directories on TCL Smart TVs, enabling fake system upgrades and potential privilege escalation.
- 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-2020-28055?
CVE-2020-28055 is a high-severity path traversal vulnerability in n/a, published on 10 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the TCL Android Smart TV series V8-R851T02-LF1 V295 and below and V8-T658T01-LF1 V373 and below by TCL Technology Group Corporation allows a local unprivileged attacker, such as a malicious App, to read & write to the /data/vendor/tcl, /data/vendor/upgrade, and /var/TerminalManager directories within the TV file system. An attacker, such as a malicious APK or local unprivileged user could perform fake system upgrades by writing to the /data/vendor/upgrage folder.
Weakness: CWE-732
Which versions are affected by CVE-2020-28055?
It affects 7 products.
Products include Tcl 32s330 Firmware, Tcl 40s330 Firmware, Tcl 43s434 Firmware, Tcl 50s434 Firmware, Tcl 55s434 Firmware, Tcl 65s434 Firmware and 1 more.
How do I fix CVE-2020-28055?
No fix has been published for CVE-2020-28055 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-28055 being exploited?
There is no known exploitation of CVE-2020-28055 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6f2c-v56g-c746.