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cveMitreCVE-2019-20392
HistoryJan 22, 2020 - 10:15 p.m.

CVE-2019-20392

2020-01-2222:15:10
CWE-119
mitre
web.nvd.nist.gov
57
cve-2019-20392
libyang
memory access flaw
untrusted input
yang files
nvd

CVSS2

4.3

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

CVSS3

6.5

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

AI Score

6.4

Confidence

High

EPSS

0.003

Percentile

68.2%

JSON

An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. 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
VendorProductVersionCPE
cesnetlibyang0.11cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:*
cesnetlibyang0.11cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:*
cesnetlibyang0.12cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:*
cesnetlibyang0.12cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:*
cesnetlibyang0.13cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:*
cesnetlibyang0.13cpe:2.3:a:cesnet:libyang:0.13:r2:*:*:*:*:*:*
cesnetlibyang0.14cpe:2.3:a:cesnet:libyang:0.14:r1:*:*:*:*:*:*
cesnetlibyang0.15cpe:2.3:a:cesnet:libyang:0.15:r1:*:*:*:*:*:*
cesnetlibyang0.16cpe:2.3:a:cesnet:libyang:0.16:r1:*:*:*:*:*:*
cesnetlibyang0.16cpe:2.3:a:cesnet:libyang:0.16:r2:*:*:*:*:*:*
Rows per page:
1-10 of 111

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CVSS2

4.3

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

CVSS3

6.5

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

AI Score

6.4

Confidence

High

EPSS

0.003

Percentile

68.2%

JSON
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