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

Severity

 Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.04% (14th percentile)

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  • Snyk ID SNYK-UBUNTU2004-APPORT-1296816
  • published 26 May 2021
  • disclosed 12 Jun 2021
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Introduced: 26 May 2021

CVE-2021-32557 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 the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.

CVSS Scores

version 3.1
Expand this section

NVD

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