exim exim CVE-2010-4345 vulnerability in Exim and Other Products
Published on December 14, 2010

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Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.

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Known Exploited Vulnerability

This Exim Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.

The following remediation steps are recommended / required by April 15, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2010-4345 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2010-4345 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2010-4345

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Exploit Probability

EPSS
4.02%
Percentile
88.25%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.