Vulnerability Monitor

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CVE-2019-20391

An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.

Published

2020-01-22T22:15:10.080

Last Modified

2024-11-21T04:38:22.420

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cesnet libyang 0.11 Yes
Application cesnet libyang 0.11 Yes
Application cesnet libyang 0.12 Yes
Application cesnet libyang 0.12 Yes
Application cesnet libyang 0.13 Yes
Application cesnet libyang 0.13 Yes
Application cesnet libyang 0.14 Yes
Application cesnet libyang 0.15 Yes
Application cesnet libyang 0.16 Yes
Application cesnet libyang 0.16 Yes
Application cesnet libyang 0.16 Yes
Application cesnet libyang 1.0 Yes
Application cesnet libyang 1.0 Yes
References