PT-2019-15813 · Libyang+2 · Libyang+2
Published
2019-12-06
·
Updated
2019-12-23
·
CVE-2019-19334
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
libyang versions prior to 1.0-r5
Description
A stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type
identityref. This issue may allow an attacker to cause a denial of service or possibly gain code execution in applications that use libyang to parse untrusted YANG files.Recommendations
For versions prior to 1.0-r5, update to version 1.0-r5 or later to resolve the issue. As a temporary workaround, consider restricting the parsing of untrusted YANG files until a patch is available. Avoid using libyang to parse YANG files with a leaf of type
identityref from untrusted sources.Fix
DoS
Stack Overflow
Memory Corruption
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Related Identifiers
Affected Products
Centos
Red Hat
Libyang