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Link Following Affecting apport package, versions <2.20.11-0ubuntu27.18

Severity

 Recommended
0.0
medium
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-UBUNTU2004-APPORT-1296800
  • published 26 May 2021
  • disclosed 12 Jun 2021
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Introduced: 26 May 2021

CVE-2021-32554 Open this link in a new tab
CWE-59 Open this link in a new tab

How to fix?

Upgrade Ubuntu:20.04 apport to version 2.20.11-0ubuntu27.18 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apport package and not the apport package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg package apport hooks, it could expose private data to other local users.

CVSS Scores

version 3.1
Expand this section

NVD

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