Upstream information

CVE-2020-15702 at MITRE

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.

Upstream Security Advisories:

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.4
Vector AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7 7
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local Local
Attack Complexity High High
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1174889 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 11 apport Unsupported
SUSE Linux Enterprise Desktop 11 SP2 apport Unsupported
SUSE Linux Enterprise Desktop 11 SP3 apport Unsupported
SUSE Linux Enterprise Desktop 11 SP4 apport Unsupported
SUSE Linux Enterprise Server 11 SP1 apport Unsupported
SUSE Linux Enterprise Server 11 SP3 apport Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS apport Not affected
SUSE Linux Enterprise Server 11 SP4 apport Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS apport Affected
SUSE Linux Enterprise Server 11 SP4-LTSS apport Unsupported


SUSE Timeline for this CVE

CVE page created: Tue Aug 4 18:50:43 2020
CVE page last modified: Fri Oct 13 20:56:20 2023