Vulnerability · Published Jan 11, 2021 · Assigned by google_android
CVE-2021-0308
Medium 6.8
In plain English
A medium-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
In ReadLogicalParts of basicmbr.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158063095.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | gdisk | 1.0.3-11.el8 | ALSA-2022:7700 |
| Alpine:v3.20 | gptfdisk | 1.0.6-r0 | ALPINE-CVE-2021-0308 |
| Alpine:v3.21 | gptfdisk | 1.0.6-r0 | ALPINE-CVE-2021-0308 |
| Alpine:v3.22 | gptfdisk | 1.0.6-r0 | ALPINE-CVE-2021-0308 |
| Alpine:v3.23 | gptfdisk | 1.0.6-r0 | ALPINE-CVE-2021-0308 |
| Alpine:v3.24 | gptfdisk | 1.0.6-r0 | ALPINE-CVE-2021-0308 |
| Debian:12 | gdisk | 1.0.6-1 | DEBIAN-CVE-2021-0308 |
| Debian:13 | gdisk | 1.0.6-1 | DEBIAN-CVE-2021-0308 |
| Debian:14 | gdisk | 1.0.6-1 | DEBIAN-CVE-2021-0308 |
| Rocky Linux:8 | gdisk | 0:1.0.3-11.el8 | RLSA-2022:7700 |
| Ubuntu:22.04:LTS | gdisk | no fix listed | UBUNTU-CVE-2021-0308 |
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2021-01-01 x_refsource_CONFIRM
- [debian-lts-announce] 20210208 [SECURITY] [DLA 2549-1] gdisk security update mailing-list, x_refsource_MLIST
- GLSA-202105-03 vendor-advisory, x_refsource_GENTOO