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Access Restriction Bypass Affecting sudo package, versions <1.8.5p2-1+nmu1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.04% (10th percentile)
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NVD
5.3 medium
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Red Hat
5.1 medium

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  • Snyk ID SNYK-DEBIAN10-SUDO-407014
  • published 8 Apr 2013
  • disclosed 8 Apr 2013
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Introduced: 8 Apr 2013

CVE-2013-2777 Open this link in a new tab
CWE-264 Open this link in a new tab

How to fix?

Upgrade Debian:10 sudo to version 1.8.5p2-1+nmu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sudo package and not the sudo package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

sudo before 1.7.10p5 and 1.8.x before 1.8.6p6, when the tty_tickets option is 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 a session without a controlling terminal device and 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