Denial of Service (DoS) Affecting exim/exim package, versions [,4.84.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-EXIMEXIM-2364567
  • published26 Jan 2022
  • disclosed4 Sept 2014
  • creditUnknown

Introduced: 4 Sep 2014

CVE-2014-2972  (opens in a new tab)
CWE-189  (opens in a new tab)

How to fix?

Upgrade exim/exim to version 4.84.2 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS) expand.c in Exim before 4.83 expands mathematical comparisons twice, which allows local users to gain privileges and execute arbitrary commands via a crafted lookup value.

References

CVSS Scores

version 3.1