Cisco Meeting Server/Meeting App IPv6 Underflow memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
A vulnerability was found in Cisco Meeting Server and Meeting App (Unified Communication Software) (affected version unknown). It has been rated as very critical. Affected by this issue is an unknown functionality of the component IPv6 Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Underflow). Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.
The weakness was presented 11/02/2016 with Cisco as cisco-sa-20161102-cms as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2016-6447 since 07/26/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/29/2022).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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
Name: UnderflowClass: Memory corruption / Underflow
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 703217
OpenVAS Name: Cisco Meeting Server Buffer Underflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/26/2016 🔍11/02/2016 🔍
11/02/2016 🔍
11/02/2016 🔍
11/03/2016 🔍
11/03/2016 🔍
09/29/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20161102-cms
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-6447 (🔍)
SecurityTracker: 1037180
SecurityFocus: 94073 - Cisco Meeting Server and Meeting App CVE-2016-6447 Buffer Underflow Vulnerability
Entry
Created: 11/03/2016 10:29Updated: 09/29/2022 10:36
Changes: 11/03/2016 10:29 (57), 05/23/2019 09:57 (13), 09/29/2022 10:36 (4)
Complete: 🔍
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