Cisco Elastic Services Controller 2.2(9.76) Tomcat esc_listener.py Authentication Request os command injection

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $5k-$25k | 0.00 |
Summary
A vulnerability has been found in Cisco Elastic Services Controller 2.2(9.76) and classified as critical. This impacts an unknown function of the file esc_listener.py of the component Tomcat. The manipulation as part of Authentication Request leads to os command injection. This vulnerability is uniquely identified as CVE-2017-6683. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability, which was classified as critical, has been found in Cisco Elastic Services Controller 2.2(9.76). This issue affects an unknown part of the file esc_listener.py of the component Tomcat. The manipulation as part of a Authentication Request leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
A vulnerability in the esc_listener.py script of Cisco Elastic Services Controllers could allow an authenticated, remote attacker to execute arbitrary commands as the tomcat user on an affected system, aka an Authentication Request Processing Arbitrary Command Execution Vulnerability. More Information: CSCvc76642. Known Affected Releases: 2.2(9.76).
The bug was discovered 06/07/2017. The weakness was disclosed 06/13/2017 with Cisco as cisco-sa-20170607-esc2 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2017-6683 since 03/09/2017. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/27/2020). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98982†). The entries VDB-102288 and VDB-102286 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.
Product
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: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/09/2017 🔍06/07/2017 🔍
06/07/2017 🔍
06/13/2017 🔍
06/13/2017 🔍
06/13/2017 🔍
12/27/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20170607-esc2
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-6683 (🔍)
GCVE (CVE): GCVE-0-2017-6683
GCVE (VulDB): GCVE-100-102287
SecurityFocus: 98982 - Cisco Elastic Services Controller CVE-2017-6683 Arbitrary Command Execution Vulnerability
See also: 🔍
Entry
Created: 06/13/2017 16:58Updated: 12/27/2020 09:07
Changes: 06/13/2017 16:58 (66), 10/23/2019 14:32 (2), 12/27/2020 09:07 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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