CVE-2020-0256: Medium severity Google Android vulnerability
In LoadPartitionTable of gpt.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege when inserting a malicious USB device, with no additional execution privileges needed. User interaction is not needed for exploitation.
Other sources
The potential out of bounds write in LoadPartitionTable of gpt.cc due to missing bounds check in gdisk utility. Exploitation requires the use of a malicious storage (such as: USB) device that could cause a crash and possibly allows local privilege escalation.
References: https://packetstormsecurity.com/files/165869/USN-5262-1 https://sourceforge.net/p/gptfdisk/code/ci/81c8bbee46ad6ebacf72eae70ba5147f376205a4/
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
android/platform/external/gptfdiskto a version that resolves this vulnerability.Fixed in 8.0:2020-08-01 - Upgrade
Upgrade
android/platform/external/gptfdiskto a version that resolves this vulnerability.Fixed in 8.1:2020-08-01 - Upgrade
Upgrade
android/platform/external/gptfdiskto a version that resolves this vulnerability.Fixed in 9:2020-08-01 - Upgrade
Upgrade
android/platform/external/gptfdiskto a version that resolves this vulnerability.Fixed in 10:2020-08-01 - Upgrade
Upgrade
gdiskto a version that resolves this vulnerability.Patch USN-5262-1
Event History
Frequently Asked Questions
What is the severity of CVE-2020-0256?
CVE-2020-0256 has a high severity rating due to its potential for local escalation of privilege through an out-of-bounds write.
How do I fix CVE-2020-0256?
To mitigate CVE-2020-0256, ensure that your device is updated to the latest security patch provided by the vendor.
Which software versions are affected by CVE-2020-0256?
CVE-2020-0256 affects Google Android versions 8.0, 8.1, 9.0, and 10.0, along with Debian GNU/Linux version 9.0.
Is user interaction required to exploit CVE-2020-0256?
No, user interaction is not needed for the exploitation of CVE-2020-0256.
What type of attack does CVE-2020-0256 expose systems to?
CVE-2020-0256 exposes systems to possible local escalation of privilege when a malicious USB device is inserted.