Information Exposure Affecting sudo package, versions <1.8.3p1-1ubuntu3.7


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-UBUNTU1204-SUDO-407081
  • published 24 Apr 2017
  • disclosed 24 Apr 2017

How to fix?

Upgrade Ubuntu:12.04 sudo to version 1.8.3p1-1ubuntu3.7 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 Ubuntu. See How to fix? for Ubuntu:12.04 relevant fixed versions and status.

sudo before 1.8.12 does not ensure that the TZ environment variable is associated with a zoneinfo file, which allows local users to open arbitrary files for read access (but not view file contents) by running a program within an sudo session, as demonstrated by interfering with terminal output, discarding kernel-log messages, or repositioning tape drives.

CVSS Scores

version 3.1
Expand this section

Red Hat

3.9 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    Low