PT-2020-10018 · Univalue · Univalue

Practicalswift · Published 2020-03-21 · Updated 2020-08-24 · CVE-2019-18936

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions UniValue versions prior to 1.0.5

Description The issue allows attackers to cause a denial of service by putting the class internal data into an inconsistent state via input data that triggers an error. This occurs in the UniValue::read() function.

Recommendations For versions prior to 1.0.5, update to version 1.0.5 or later to resolve the issue. As a temporary workaround, consider validating input data to prevent it from triggering errors in the UniValue::read() function.

Fix

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2019-18936

Affected Products

Univalue

References · 10

• https://github.com/jgarzik/univalue/pull/58 · Patch
• https://cve.org/CVERecord?id=CVE-2019-18936 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-18936 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-18936 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-18936 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-18936 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-18936 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-18936 · Vendor Advisory
• https://github.com/jgarzik/univalue/compare/v1.0.4...v1.0.5 · Note
• https://t.me/cvenotify/1982 · Telegram Post