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cve[email protected]CVE-2019-20391
HistoryJan 22, 2020 - 10:15 p.m.

CVE-2019-20391

2020-01-2222:15:10
CWE-119
[email protected]
web.nvd.nist.gov
74
cve
2019
20391
security
flaw
libyang
memory access
application crash
untrusted input
nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6.4 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.3%

JSON

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.

Affected configurations

NVD
Node
cesnetlibyangMatch0.11r1
OR
cesnetlibyangMatch0.11r2
OR
cesnetlibyangMatch0.12r1
OR
cesnetlibyangMatch0.12r2
OR
cesnetlibyangMatch0.13r1
OR
cesnetlibyangMatch0.13r2
OR
cesnetlibyangMatch0.14r1
OR
cesnetlibyangMatch0.15r1
OR
cesnetlibyangMatch0.16r1
OR
cesnetlibyangMatch0.16r2
OR
cesnetlibyangMatch0.16r3
OR
cesnetlibyangMatch1.0r1
OR
cesnetlibyangMatch1.0r2

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6.4 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.3%

JSON
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