CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

A vulnerability has been found in Juniper ScreenOS 5.4.0/6.2.0/6.3.0 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown part of the component Ping of Death Screen. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Juniper NetScreen Firewall running ScreenOS 5.4, 6.2, or 6.3, when the Ping of Death screen is disabled, allows remote attackers to cause a denial of service via a crafted packet.

The weakness was disclosed 12/11/2013 as 2013-12 Security Bulletin: NetScreen Firewall: Crafted packet can cause denial of service as confirmed advisory (Website). The advisory is shared at kb.juniper.net. The public release has been coordinated in cooperation with Juniper. This vulnerability is known as CVE-2013-6958 since 12/04/2013. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 74367 (Juniper ScreenOS 5.4 < 5.4.0r28 / 6.2 < 6.2.0r18 / 6.3 < 6.3.0r16 Malformed ICMP Echo Request DoS (JSA10604)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls.

Upgrading to version 6.3.0.r16 or higher eliminates this vulnerability. The upgrade is hosted for download at kb.juniper.net. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (74367).

Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• ScreenOS

Version

• 5.4.0
• 6.2.0
• 6.3.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 74367
Nessus Name: Juniper ScreenOS 5.4 < 5.4.0r28 / 6.2 < 6.2.0r18 / 6.3 < 6.3.0r16 Malformed ICMP Echo Request DoS (JSA10604)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ScreenOS 6.3.0.r16/higher
Workaround: Enable Ping of Death Screen

Timelineinfo

12/04/2013 🔍
12/11/2013 +7 days 🔍
12/11/2013 +0 days 🔍
12/12/2013 +1 days 🔍
12/13/2013 +1 days 🔍
12/13/2013 +0 days 🔍
12/16/2013 +3 days 🔍
06/06/2014 +172 days 🔍
06/04/2021 +2555 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: 2013-12 Security Bulletin: NetScreen Firewall: Crafted packet can cause denial of service
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6958 (🔍)
SecurityTracker: 1029490
Vulnerability Center: 42579 - Juniper ScreenOS 5.4, 6.2, 6.3-6.3r15 Remote Denial of Service via a Crafted Packet, High
SecurityFocus: 64260
OSVDB: 100861

Entryinfo

Created: 12/13/2013 10:41
Updated: 06/04/2021 10:01
Changes: 12/13/2013 10:41 (70), 05/17/2017 09:08 (2), 06/04/2021 09:57 (3), 06/04/2021 10:01 (1)
Complete: 🔍

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