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CVE PROGRAM SOURCE RECORD7.0 High

CVE-2020-15702

TOCTOU in apport

Description

TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Canonical apport

  • 2.20.1 to < 2.20.1-0ubuntu2.24affected
  • 2.20.9 to < 2.20.9-0ubuntu7.16affected
  • 2.20.11 to < 2.20.11-0ubuntu27.6affected

References