Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-8239

Severity CVSS v4.0:
Pending analysis
Type:
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
10/10/2017
Last modified:
20/04/2025

Description

The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.00
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
6.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:sudo_project:sudo:1.8.8:*:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.8:b1:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.8:b2:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.8:b3:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.8:rc1:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:*:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:b1:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:b2:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:p1:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:p2:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:p3:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:p4:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:p5:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:rc1:*:*:*:*:*:*
cpe:2.3:a:sudo_project:sudo:1.8.9:rc2:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools