Access Restriction Bypass Affecting sudo package, versions [,1.7.10p6)[1.8.67, 1.8.6p7)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-SUDO-2368596
  • published26 Jan 2022
  • disclosed8 Apr 2013
  • creditUnknown

Introduced: 8 Apr 2013

CVE-2013-2776  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade sudo to version 1.7.10p6, 1.8.6p7 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass sudo 1.3.5 through 1.7.10p5 and 1.8.0 through 1.8.6p6, when running on systems without /proc or the sysctl function with the tty_tickets option enabled, does not properly validate the controlling terminal device, which allows local users with sudo permissions to hijack the authorization of another terminal via vectors related to connecting to the standard input, output, and error file descriptors of another terminal. NOTE: this is one of three closely-related vulnerabilities that were originally assigned CVE-2013-1776, but they have been SPLIT because of different affected versions.

References

CVSS Scores

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