Cisco Unified Ip Phone 7940g up to 8.9 Firmware input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability was found in Cisco Unified Ip Phone 7940g up to 8.9 (IP Phone Software). It has been rated as critical. This issue affects an unknown functionality of the component Firmware. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Cisco Unified IP Phone (aka SIP phone) 7960G and 7940G with firmware P0S3-08-9-00 and possibly other versions before 8.10 allows remote attackers to cause a denial of service (device reboot) or possibly execute arbitrary code via a Realtime Transport Protocol (RTP) packet with malformed headers.

The bug was discovered 01/14/2009. The weakness was published 01/16/2009 by Laurent Butti (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2008-4444 since 10/03/2008. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version 8.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (47948).

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 64165
OpenVAS Name: Ubuntu USN-707-1 (cupsys)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Ip Phone 7940g 8.10

Timelineinfo

10/03/2008 🔍
01/14/2009 +103 days 🔍
01/14/2009 +0 days 🔍
01/14/2009 +0 days 🔍
01/16/2009 +2 days 🔍
01/16/2009 +0 days 🔍
02/18/2009 +33 days 🔍
03/17/2015 +2218 days 🔍
08/27/2019 +1624 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: xforce.iss.net
Researcher: Laurent Butti
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4444 (🔍)
X-Force: 47948
Vulnerability Center: 20964 - Cisco SIP Phone 7960G and 7940G Remote DoS or Arbitrary Code Execution Vulnerability, High
SecurityFocus: 33264 - Cisco Unified IP Phone 7960G and 7940G RTP Remote Denial of Service Vulnerability
OSVDB: 53318 - Cisco - Unified IP Phone 7960G and 7940G - RTP Remote Denial of Service Issue

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/27/2019 17:51
Changes: 03/17/2015 16:11 (64), 08/27/2019 17:51 (5)
Complete: 🔍

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