CVE-2023-20790 Memory corruption in MT2713, MT2735, MT2737, MT6739, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6980, MT6983, MT6985, MT6990, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8188, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797
A missing bounds check in nvram allows local attackers with system privileges to perform an out-of-bounds write, leading to information disclosure.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20790?
CVE-2023-20790 is a medium-severity memory corruption vulnerability in Google Android, published on 7 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07740194; Issue ID: ALPS07740194.
Weakness: CWE-787
Which versions are affected by CVE-2023-20790?
It affects 4 products.
Products include Google Android, Linuxfoundation Yocto, Openwrt Openwrt, Rdkcentral Rdk-B.
How do I fix CVE-2023-20790?
No fix has been published for CVE-2023-20790 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-20790 being exploited?
There is no known exploitation of CVE-2023-20790 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-qgcp-mw7r-c9rw.