National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-20392 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 6.5 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1793922 Issue Tracking Patch Third Party Advisory
https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5 Patch Third Party Advisory
https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1 Third Party Advisory
https://github.com/CESNET/libyang/issues/723 Exploit Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.13:r2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.14:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.15:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.16:r1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.16:r2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cesnet:libyang:0.16:r3:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-20392
NVD Published Date:
01/22/2020
NVD Last Modified:
01/23/2020