Cisco WebEx Meetings Server HTTP Header Reply HTTP Response information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cisco WebEx Meetings Server. The impacted element is an unknown function of the component HTTP Header Reply Handler. This manipulation as part of HTTP Response causes information disclosure. This vulnerability is tracked as CVE-2017-12295. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in Cisco WebEx Meetings Server (Unified Communication Software) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component HTTP Header Reply Handler. The manipulation as part of a HTTP Response leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:
A vulnerability in Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to access sensitive data about the application. An attacker could exploit this vulnerability to gain information to conduct additional reconnaissance attacks. The vulnerability is due to the HTTP header reply from the Cisco WebEx Meetings Server to the client, which could include internal network information that should be restricted. An attacker could exploit the vulnerability by attempting to use the HTTP protocol and looking at the data in the HTTP responses from the Cisco WebEx Meetings Server. An exploit could allow the attacker to discover sensitive data about the application. Cisco Bug IDs: CSCve65818.
The bug was discovered 11/01/2017. The weakness was disclosed 11/02/2017 with Cisco as cisco-sa-20171101-webex2 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2017-12295 since 08/03/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/21/2021). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 1 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 101651†). The entry VDB-108906 is pretty similar. 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: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
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
08/03/2017 🔍11/01/2017 🔍
11/01/2017 🔍
11/02/2017 🔍
11/02/2017 🔍
11/02/2017 🔍
01/21/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20171101-webex2
Researcher: Cisco
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-12295 (🔍)
GCVE (CVE): GCVE-0-2017-12295
GCVE (VulDB): GCVE-100-108907
SecurityFocus: 101651 - Cisco WebEx Meetings Server CVE-2017-12295 Information Disclosure Vulnerability
SecurityTracker: 1039722
See also: 🔍
Entry
Created: 11/02/2017 23:13Updated: 01/21/2021 15:34
Changes: 11/02/2017 23:13 (63), 12/02/2019 19:56 (5), 01/21/2021 15:27 (2), 01/21/2021 15:34 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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