SB2014090405 - Input validation error in Exim
Published: September 4, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014090405
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-2957)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The dmarc_process function in dmarc.c in Exim before 4.82.1, when EXPERIMENTAL_DMARC is enabled, allows remote attackers to execute arbitrary code via the From header in an email, which is passed to the expand_string function.
Remediation
Install update from vendor's website.