PublicDateAtUSN: 2020-08-04 17:00:00 UTC Candidate: CVE-2020-15702 CRD: 2020-08-04 17:00:00 UTC PublicDate: 2020-08-06 23:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15702 https://ubuntu.com/security/notices/USN-4449-1 https://ubuntu.com/security/notices/USN-4449-2 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. Ubuntu-Description: Notes: Mitigation: Bugs: Priority: medium Discovered-by: Ryota Shiga Assigned-to: mdeslaur CVSS: zdi: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H [7.0 HIGH] nvd: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H [7.0 HIGH] Patches_apport: upstream_apport: needs-triage precise/esm_apport: DNE trusty_apport: ignored (out of standard support) trusty/esm_apport: released (2.14.1-0ubuntu3.29+esm5) xenial_apport: released (2.20.1-0ubuntu2.24) esm-infra/xenial_apport: released (2.20.1-0ubuntu2.24) bionic_apport: released (2.20.9-0ubuntu7.16) eoan_apport: ignored (reached end-of-life) focal_apport: released (2.20.11-0ubuntu27.6) devel_apport: released (2.20.11-0ubuntu44)