Kphone up to 4.0.1 sipclient.cpp memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Kphone up to 4.0.1. This vulnerability affects unknown code of the file sipclient.cpp. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2004-1940. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Kphone up to 4.0.1. This affects an unknown code of the file sipclient.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

sipclient.cpp in KPhone 4.0.1 and earlier allows remote attackers to cause a denial of service (crash) via a STUN response packet with a large attrLen value that causes an out-of-bounds read.

The weakness was released 12/31/2004 by STORM (Website). It is possible to read the advisory at wirlab.net. This vulnerability is uniquely identified as CVE-2004-1940 since 05/04/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.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 (15874), Exploit-DB (24011), SecurityFocus (BID 10159†) and Vulnerability Center (SBV-4793†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

04/08/2004 🔍
04/08/2004 +0 days 🔍
07/20/2004 +103 days 🔍
12/31/2004 +164 days 🔍
12/31/2004 +0 days 🔍
05/04/2005 +124 days 🔍
03/09/2015 +3596 days 🔍
01/11/2025 +3596 days 🔍

Sourcesinfo

Advisory: wirlab.net
Researcher: STORM
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-1940 (🔍)
GCVE (CVE): GCVE-0-2004-1940
GCVE (VulDB): GCVE-100-22971
X-Force: 15874
SecurityFocus: 10159 - KPhone Malformed STUN Packet Denial Of Service Vulnerability
Vulnerability Center: 4793 - DoS in Kphone SIP via Malformed STUN Packets, Medium

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

Entryinfo

Created: 03/09/2015 15:52
Updated: 01/11/2025 12:23
Changes: 03/09/2015 15:52 (59), 05/23/2019 12:03 (4), 01/11/2025 12:23 (21)
Complete: 🔍
Cache ID: 216:2C9:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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