SB2019040243 - Privilege escalation in apache2 (Alpine package)

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Main Vulnerability Database SB2019040243

SB2019040243 - Privilege escalation in apache2 (Alpine package)

Published: April 2, 2019

Security Bulletin ID SB2019040243
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Privilege escalation (CVE-ID: CVE-2019-0211)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within MPM implementation due to the application does not properly maintain each child's listener bucket number in the scoreboard that may lead to unprivileged code or scripts run by server (e.g. via mod_php) to modify the scoreboard and abuse the privileged main process.

A local user can execute arbitrary code on the system with privileges of the Apache HTTP Server code process.


Remediation

Install update from vendor's website.

References