SB2019031813 - OS Command Injection in exim (Alpine package) 

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Main Vulnerability Database SB2019031813

SB2019031813 - OS Command Injection in exim (Alpine package)

Published: March 18, 2019

Security Bulletin ID SB2019031813
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2019-10149)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient validation of email address within the deliver_message() function in /src/deliver.c. A remote unauthenticated attacker can send an email containing a specially crafted email address and execute arbitrary OS commands on the target system via execv() call with superuser privileges.

This vulnerability can be also exploited by authenticated local users to escalate privileges on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References