Stack-based Buffer Overflow in libyang Affects Multiple Versions
CVE-2019-19333

8.1HIGH

Key Information:

Vendor
Red Hat
Status
Vendor
CVE Published:
6 December 2019

Summary

A stack-based buffer overflow vulnerability exists in libyang prior to version 1.0-r5, triggered by improper parsing of YANG files containing a leaf of type 'bits'. When an application utilizes libyang to process untrusted YANG files, it becomes susceptible to this flaw. An attacker can exploit this vulnerability to induce a denial of service or potentially execute arbitrary code on the affected system.

Affected Version(s)

libyang libyang all versions before 1.0-r5

References

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.