Out-of-bounds Write Affecting opensc package, versions <0.16.0-3+deb9u2


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.05% (20th percentile)

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  • Snyk ID SNYK-DEBIAN9-OPENSC-1015956
  • published 6 Oct 2020
  • disclosed 6 Oct 2020

How to fix?

Upgrade Debian:9 opensc to version 0.16.0-3+deb9u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.

CVSS Scores

version 3.1
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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)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

6.2 medium
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Red Hat

6.4 medium