CVE-2023-21269

Summary

In startActivityInner of ActivityStarter.java, there is a possible way to launch an activity into PiP mode from the background due to BAL bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected Software

Weaknesses

• Elevation of privilege

ADP Enrichment

CVE Program Container

Additional References

• https://android.googlesource.com/platform/frameworks/base/+/70ec64dc5a2a816d6aa324190a726a85fd749b30
• https://source.android.com/security/bulletin/2023-08-01

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://android.googlesource.com/platform/frameworks/base/+/70ec64dc5a2a816d6aa324190a726a85fd749b30
• https://source.android.com/security/bulletin/2023-08-01

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