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cveMitreCVE-2019-20394
HistoryJan 22, 2020 - 10:15 p.m.

CVE-2019-20394

2020-01-2222:15:10
CWE-415
mitre
web.nvd.nist.gov
61
cve-2019-20394
libyang
code execution
crash
nvd
security vulnerability
yang files

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.008

Percentile

82.0%

JSON

A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.

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
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 131

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.008

Percentile

82.0%

JSON
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