F-Secure SSH up to 3.2.8 BER/DER Support 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 classified as critical was found in F-Secure SSH up to 3.2.8. This vulnerability affects unknown code of the component BER/DER Support Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2003-1119. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in F-Secure SSH up to 3.2.8 (SSH Server Software). It has been declared as critical. This vulnerability affects an unknown function of the component BER/DER Support Handler. 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. CVE summarizes:

SSH Secure Shell before 3.2.9 allows remote attackers to cause a denial of service via malformed BER/DER packets.

The bug was discovered 09/30/2003. The weakness was disclosed 10/01/2003 with F-Secure (Website). The advisory is available at f-secure.com. This vulnerability was named CVE-2003-1119 since 03/11/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at f-secure.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (13324), OSVDB (2646†), Secunia (SA9930†) and Vulnerability Center (SBV-11738†). Additional details are provided at www-1.ibm.com. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: f-secure.com

Timelineinfo

09/30/2003 🔍
10/01/2003 +1 days 🔍
10/03/2003 +2 days 🔍
10/09/2003 +5 days 🔍
10/13/2003 +4 days 🔍
12/31/2003 +79 days 🔍
03/11/2005 +436 days 🔍
06/04/2006 +450 days 🔍
07/16/2024 +6616 days 🔍

Sourcesinfo

Vendor: f-secure.com

Advisory: f-secure.com
Researcher: http://www.f-secure.com
Organization: F-Secure
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-1119 (🔍)
GCVE (CVE): GCVE-0-2003-1119
GCVE (VulDB): GCVE-100-322
CERT: 🔍
X-Force: 13324
Secunia: 9930 - F-Secure SSH BER/DER Decoding Vulnerability, Moderately Critical
OSVDB: 2646 - F-Secure SSH Malformed BER/DER Packet DoS
Vulnerability Center: 11738 - SSH Communications DoS via BER/DER Packets, Medium

Misc.: 🔍

Entryinfo

Created: 10/09/2003 11:22
Updated: 07/16/2024 01:00
Changes: 10/09/2003 11:22 (75), 06/26/2019 16:49 (1), 07/16/2024 01:00 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!