Race Condition Affecting exim/exim package, versions [,4.72)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.04% (13th 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 Learn

Learn about Race Condition vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-EXIMEXIM-2364604
  • published26 Jan 2022
  • disclosed7 Jun 2010
  • creditUnknown

Introduced: 7 Jun 2010

CVE-2010-2024  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade exim/exim to version 4.72 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.

References

CVSS Scores

version 3.1