| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Cisco IOS and IOS XE. This issue affects some unknown processing of the component H.323 Message Validator. Performing a manipulation results in resource management. This vulnerability was named CVE-2016-6384. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.
Details
A vulnerability was found in Cisco IOS and IOS XE (Router Operating System) (affected version not known). It has been classified as critical. This affects some unknown functionality of the component H.323 Message Validator. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2 allow remote attackers to cause a denial of service (device reload) via crafted fields in an H.323 message, aka Bug ID CSCux04257.
The weakness was presented 09/28/2016 with Cisco as cisco-sa-20160928-h323 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2016-6384 since 07/26/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316037 (Cisco IOS Software H.323 Message Validation Denial of Service Vulnerability(cisco-sa-20160928-h323)).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at SecurityFocus (BID 93209†) and SecurityTracker (ID 1036914†). Further details are available at tools.cisco.com. See VDB-92251, VDB-92252, VDB-92253 and VDB-92254 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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OpenVAS ID: 831343
OpenVAS Name: Cisco IOS Software H.323 Message Validation Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/26/2016 🔍09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
10/03/2016 🔍
10/05/2016 🔍
09/24/2024 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20160928-h323
Organization: Cisco
Status: Confirmed
CVE: CVE-2016-6384 (🔍)
GCVE (CVE): GCVE-0-2016-6384
GCVE (VulDB): GCVE-100-92283
OVAL: 🔍
SecurityFocus: 93209 - Cisco IOS and IOS XE Software CVE-2016-6384 Denial of Service Vulnerability
SecurityTracker: 1036914
scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍
See also: 🔍
Entry
Created: 10/03/2016 09:59Updated: 09/24/2024 23:17
Changes: 10/03/2016 09:59 (66), 04/29/2019 11:07 (11), 09/24/2024 23:17 (18)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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