PT-2019-13141 · Nats · Nats Server

Ariel Zelivansky + 1 · CVE-2019-13126 · Published 2019-07-29 · Updated 2024-08-21

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 NATS Server versions prior to 2.2.0

Description The issue is caused by an integer overflow that allows a remote attacker to crash the server by sending a crafted request. If authentication is enabled, the attacker must first authenticate. This can be exploited by sending a specifically crafted request to the server.

Recommendations For versions prior to 2.2.0, update to version 2.2.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the server to minimize the risk of exploitation.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2019-13126

GHSA-JP4J-47F9-2VC3

GO-2022-0852

Affected Products

Nats Server

References · 10

• https://github.com/nats-io/nats-server/pull/1053 · Patch
• https://osv.dev/vulnerability/GO-2022-0852 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-13126 · Security Note
• https://osv.dev/vulnerability/CVE-2019-13126 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jp4j-47f9-2vc3 · Vendor Advisory
• https://github.com/nats-io/nats-server/commits/master · Note
• https://github.com/nats-io/nats-server/pull/1441 · Note
• https://github.com/nats-io/nats-server/commit/07ef71ff98f45f8c2711be4aeaf484610d891dda · Note
• https://twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126 · Note
• https://github.com/advisories/GHSA-jp4j-47f9-2vc3 · Note