Cisco Unified Ip Phone 7940g up to 8.9 Firmware input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
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).
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 64165
OpenVAS Name: Ubuntu USN-707-1 (cupsys)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Unified Ip Phone 7940g 8.10
Timeline
10/03/2008 🔍01/14/2009 🔍
01/14/2009 🔍
01/14/2009 🔍
01/16/2009 🔍
01/16/2009 🔍
02/18/2009 🔍
03/17/2015 🔍
08/27/2019 🔍
Sources
Vendor: cisco.comAdvisory: 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
Entry
Created: 03/17/2015 16:11Updated: 08/27/2019 17:51
Changes: 03/17/2015 16:11 (64), 08/27/2019 17:51 (5)
Complete: 🔍
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