CVE Vulnerability

CVE-2020-15702

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.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://usn.ubuntu.com/4449-1 Vendor Advisory
https://usn.ubuntu.com/4449-1/ Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-979/ Third Party Advisory VDB Entry
https://usn.ubuntu.com/4449-2/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Information

Published : 2020-08-06 11:15

Updated : 2023-01-27 06:19

NVD link : CVE-2020-15702

Mitre link : CVE-2020-15702

Products Affected
No products.
CWE
CWE-367