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CVE-2019-20391

Published: Jan 22, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-119
6.5MEDIUM
NVD MITRE
EPSS Score
1.9%
Top 22.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-119

Affected Products

cesnet
oss-project
libyangLibrary
OSS Libraries / generic-library
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8
github.com
https://github.com/CESNET/libyang/issues/772
github.com
https://bugzilla.redhat.com/show_bug.cgi?id=1793934
bugzilla.redhat.com
and 2 more references View all →

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