Juniper Junos up to 11.4R3-S3/11.4R4/12.1R2-S1/12.1R3 ttymodem denial of service

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-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Juniper Junos up to 11.4R3-S3/11.4R4/12.1R2-S1/12.1R3. This affects the function ttymodem. Executing a manipulation can lead to denial of service. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Juniper Junos up to 11.4R3-S3/11.4R4/12.1R2-S1/12.1R3 (Router Operating System) and classified as critical. This vulnerability affects the function ttymodem. 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 weakness was shared 08/15/2012 as PSN-2012-08-699 as not defined advisory (Website). The advisory is shared for download at juniper.net. The vendor cooperated in the coordination of the public release. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 62711 (Juniper Junos ttymodem() DoS (PSN-2012-08-699)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks and running in the context c.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at juniper.net.Proper firewalling of Administrative Access is able to address this issue. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (62711) and OSVDB (86798†). Additional details are provided at junosgeek.blogspot.ch. The entries VDB-6841, VDB-6842 and VDB-6843 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 62711
Nessus Name: Juniper Junos ttymodem() DoS (PSN-2012-08-699)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: juniper.net
Firewalling: 🔍

Timelineinfo

08/15/2012 🔍
08/15/2012 +0 days 🔍
10/26/2012 +72 days 🔍
11/01/2012 +6 days 🔍
11/03/2012 +2 days 🔍
04/18/2021 +3088 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: PSN-2012-08-699
Status: Not defined
Coordinated: 🔍

GCVE (VulDB): GCVE-100-6844
OSVDB: 86798

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/03/2012 17:14
Updated: 04/18/2021 17:12
Changes: 11/03/2012 17:14 (50), 04/29/2019 07:02 (7), 04/18/2021 17:12 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!