Cisco IOS XE 3.15S/3.16S/3.17S SNMP Subsystem resource management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Cisco IOS XE 3.15S/3.16S/3.17S. Affected by this vulnerability is an unknown functionality of the component SNMP Subsystem. Such manipulation leads to resource management. This vulnerability is listed as CVE-2016-1428. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability was found in Cisco IOS XE 3.15S/3.16S/3.17S (Router Operating System) and classified as problematic. Affected by this issue is an unknown function of the component SNMP Subsystem. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:
Double free vulnerability in Cisco IOS XE 3.15S, 3.16S, and 3.17S allows remote authenticated users to cause a denial of service (device restart) via a sequence of crafted SNMP read requests, aka Bug ID CSCux13174.
The weakness was presented 06/20/2016 as cisco-sa-20160620-iosxe as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2016-1428 since 01/04/2016. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation requires a simple authentication. There are neither technical details nor an exploit publicly available. The advisory points out:
The vulnerability is due to an attempt to double free a region of memory when processing a series of SNMP read requests that contains certain criteria for a specific object ID (OID). An attacker who can authenticate to an affected device may submit a series of valid but specially formed SNMP requests designed to trigger the vulnerability. Successful exploitation will cause the device to restart because of an attempt to access an invalid memory region.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1036140†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
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: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
OpenVAS ID: 831422
OpenVAS Name: Cisco IOS XE Software SNMP Subsystem Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
01/04/2016 🔍06/20/2016 🔍
06/20/2016 🔍
06/21/2016 🔍
06/21/2016 🔍
06/22/2016 🔍
01/31/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20160620-iosxe
Status: Confirmed
CVE: CVE-2016-1428 (🔍)
GCVE (CVE): GCVE-0-2016-1428
GCVE (VulDB): GCVE-100-88088
OVAL: 🔍
SecurityTracker: 1036140
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 06/21/2016 09:01Updated: 01/31/2019 13:28
Changes: 06/21/2016 09:01 (70), 01/31/2019 13:28 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.