Executive Summary

Informations
Name CVE-2020-15702 First vendor Publication 2020-08-06
Vendor Cve Last vendor Modification 2020-09-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7
Base Score 7 Environmental Score 7
impact SubScore 5.9 Temporal Score 7
Exploitabality Sub Score 1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15702

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 100

Sources (Detail)

Source Url
CONFIRM https://usn.ubuntu.com/4449-1
MISC https://www.zerodayinitiative.com/advisories/ZDI-20-979/
UBUNTU https://usn.ubuntu.com/4449-1/
https://usn.ubuntu.com/4449-2/

Alert History

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Date Informations
2020-09-14 21:23:08
  • Multiple Updates
2020-08-12 21:23:16
  • Multiple Updates
2020-08-11 21:23:15
  • Multiple Updates
2020-08-11 05:22:52
  • Multiple Updates
2020-08-07 21:23:24
  • Multiple Updates
2020-08-07 05:22:57
  • First insertion