eStara softphone 3.0.1.47 Session Identifier owner/creator denial of service

HistoryDiffrelatejsonxmlCTI

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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in eStara softphone 3.0.1.47. Affected by this vulnerability is an unknown functionality of the file owner/creator of the component Session Identifier. This manipulation causes denial of service. This vulnerability is registered as CVE-2006-0738. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in eStara softphone 3.0.1.47. Affected by this vulnerability is some unknown functionality of the file owner/creator of the component Session Identifier. 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:

Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).

The weakness was published 02/16/2006 (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2006-0738 since 02/16/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (24678), Exploit-DB (27210), SecurityFocus (BID 16629†) and Secunia (SA18872†). Similar entries are available at VDB-28766 and VDB-28764. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

eStara

Name

softphone

Version

3.0.1.47

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/14/2006 🔍
02/15/2006 +1 days 🔍
02/16/2006 +1 days 🔍
02/16/2006 +0 days 🔍
02/16/2006 +0 days 🔍
03/12/2015 +3311 days 🔍
03/16/2025 +3657 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Not defined

CVE: CVE-2006-0738 (🔍)
GCVE (CVE): GCVE-0-2006-0738
GCVE (VulDB): GCVE-100-28765
X-Force: 24678 - eStara SDP format string
SecurityFocus: 16629
Secunia: 18872 - eStara SoftPhone SIP Packet Handling Denial of Service, Moderately Critical
Vupen: ADV-2006-0607

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/12/2015 11:11
Updated: 03/16/2025 17:20
Changes: 03/12/2015 11:11 (52), 07/19/2018 10:34 (7), 03/16/2025 17:20 (25)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.