CVE-2020-0259
In android_verity_ctr of dm-android-verity.c, there is a possible way to modify a dm-verity protected filesystem due to improperly used crypto.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In android_verity_ctr of dm-android-verity.c, there is a possible way to modify a dm-verity protected filesystem due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-157941353References: N/A
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.16% probability · 6th percentile
- CISA KEV
- Not listed
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2020-08-01Vendor Advisory
- https://source.android.com/security/bulletin/2020-08-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.