CVE-2019-0010 : What You Need to Know

This CVE-2019-0010 article provides insights into a vulnerability in Junos OS affecting SRX Series devices, leading to Denial of Service due to crafted HTTP traffic consumption of memory buffers.

Understanding CVE-2019-0010

This vulnerability impacts Junos OS on SRX Series devices, potentially causing a system crash due to memory buffer exhaustion from carefully crafted HTTP traffic.

What is CVE-2019-0010?

An issue in SRX Series Service Gateway with UTM setup may deplete memory buffers, leading to a system crash when inspecting specific HTTP traffic.

The Impact of CVE-2019-0010

Severity: High (CVSS Base Score: 7.5)
Attack Vector: Network
Availability Impact: High
Attack Complexity: Low
Privileges Required: None
Scope: Unchanged
No reported malicious exploitation by Juniper SIRT

Technical Details of CVE-2019-0010

This section delves into the vulnerability's description, affected systems, exploitation mechanism, and mitigation strategies.

Vulnerability Description

UTM-configured SRX Series devices may crash due to memory buffer depletion from inspecting crafted HTTP traffic.

Affected Systems and Versions

Platforms: SRX Series
Affected Versions: Junos OS 12.1X46, 12.3X48, 15.1X49 (versions specified in the JSON)

Exploitation Mechanism

Crafted HTTP packets exhaust memory buffers during UTM inspection, leading to system crashes.

Mitigation and Prevention

Learn how to address and prevent the CVE-2019-0010 vulnerability.

Immediate Steps to Take

Update affected Junos OS versions to the patched releases.

Long-Term Security Practices

Regularly update Junos OS to the latest versions.
Implement network security best practices.

Patching and Updates

Junos OS versions 12.1X46-D81, 12.3X48-D77, 15.1X49-D101, 15.1X49-D110, 17.3R1, and later releases resolve this issue.