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Improper Input Validation Affecting software-properties package, versions <0.76.7debian2+nmu2

Severity

 Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.07% (33rd percentile)

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  • Snyk ID SNYK-DEBIAN10-SOFTWAREPROPERTIES-288043
  • published 14 May 2014
  • disclosed 14 May 2014
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Introduced: 14 May 2014

CVE-2011-4407 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:10 software-properties to version 0.76.7debian2+nmu2 or higher.

NVD Description

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

ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for a package repository.

CVSS Scores

version 3.1
Expand this section

NVD

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