Vulnerability Monitor

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CVE-2020-13132

An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.

Published

2020-07-09T18:15:10.663

Last Modified

2024-11-21T05:00:43.417

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-763
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application yubico libykpiv < 2.1.0 Yes
Application yubico piv_tool_manager < 2.0.0 Yes
Application yubico yubikey_smart_card_minidriver ≤ 4.1.0.172 Yes
References