Juniper ScreenOS 5.4.0/6.0.0/6.1.0/6.2.0/6.3.0 SSL/TLS Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability was found in Juniper ScreenOS 5.4.0/6.0.0/6.1.0/6.2.0/6.3.0 (Router Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component SSL/TLS Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Juniper ScreenOS 6.3 and earlier allows remote attackers to cause a denial of service (crash and restart or failover) via a malformed SSL/TLS packet.

The weakness was presented 04/14/2014 by David Klein with DHK Enterprises as JSA10624 as confirmed advisory (Website). It is possible to read the advisory at kb.juniper.net. The public release was coordinated in cooperation with Juniper. This vulnerability is known as CVE-2014-2842 since 04/10/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

(...) the firewall crashes and restarts or if in a HA configuration triggers a failover.

The vulnerability scanner Nessus provides a plugin with the ID 74149 (Juniper ScreenOS 6.3 < 6.3.0r17 DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls.

Upgrading to version 6.3.0r17 eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting Disable WebUI/WebAuth. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (92554), Tenable (74149), SecurityFocus (BID 66802†), Secunia (SA57910†) and Vulnerability Center (SBV-44017†). Additional details are provided at kb.cert.org. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74149
Nessus Name: Juniper ScreenOS 6.3 < 6.3.0r17 DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ScreenOS 6.3.0r17
Config: Disable WebUI/WebAuth

Timelineinfo

04/10/2014 🔍
04/14/2014 +4 days 🔍
04/14/2014 +0 days 🔍
04/14/2014 +0 days 🔍
04/15/2014 +1 days 🔍
04/16/2014 +1 days 🔍
04/17/2014 +1 days 🔍
05/23/2014 +36 days 🔍
08/19/2024 +3741 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA10624
Researcher: David Klein
Organization: DHK Enterprises
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-2842 (🔍)
GCVE (CVE): GCVE-0-2014-2842
GCVE (VulDB): GCVE-100-13003

IAVM: 🔍

CERT: 🔍
X-Force: 92554 - Juniper ScreenOS SSL packet denial of service, Medium Risk
SecurityFocus: 66802
Secunia: 57910 - NetScreen ScreenOS SSL/TLS Protocol Packet Handling Denial of Service Vulnerability, Less Critical
SecurityTracker: 1030564
Vulnerability Center: 44017 - Juniper ScreenOS 6.3 Remote DoS via a Malformed SSL/TLS Packet, High

Misc.: 🔍

Entryinfo

Created: 04/17/2014 10:00 AM
Updated: 08/19/2024 11:03 PM
Changes: 04/17/2014 10:00 AM (80), 05/25/2017 10:23 AM (1), 06/17/2021 01:08 PM (3), 06/17/2021 01:14 PM (1), 08/19/2024 11:03 PM (15)
Complete: 🔍
Cache ID: 18:F91:40

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