Lenovo Notebook Superfish VisualDiscovery information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Lenovo Notebook. Affected is an unknown function of the component Superfish VisualDiscovery/Komodia Redirector/SSL Digestor Library. Such manipulation leads to information disclosure. This vulnerability is referenced as CVE-2015-2077. Furthermore, an exploit is available. This vulnerability has a historic impact due to its background and reception. Disabling the affected component is advisable.
Details
A vulnerability was found in Lenovo Notebook. It has been rated as critical. Affected by this issue is an unknown code block of the component Superfish VisualDiscovery/Komodia Redirector/SSL Digestor Library. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, and integrity.
The weakness was published 02/20/2015 as LEN-2015-010 as confirmed advisory (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is handled as CVE-2015-2077 since 02/24/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/12/2024). The MITRE ATT&CK project declares the attack technique as T1592. This vulnerability has a historic impact due to its background and reception.
It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 81425 (Komodia SSL Digestor Root CA Certificate Installed (Superfish)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.
The best possible mitigation is suggested to be disabling the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
Lenovo has reached out to SuperFish to disable all server activity associated with their product.
The vulnerability is also documented in the databases at Tenable (81425), SecurityFocus (BID 72693†) and SecurityTracker (ID 1031779†). Similar entries are available at VDB-74303 and VDB-74304. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Flex2 14 up to Flex2 Pro
- up to G710
- Miix2 – 8/Miix2 – 10/Miix2 – 11/Miix 3 - 1030
- up to S435
- U330P/U430P/U330 Touch/U430 Touch/U540 Touch
- Y430P/Y40-70/Y40-80/Y50-70/Y70-70
- Yoga2-11/Yoga2-13/Yoga2Pro-13/Yoga3 Pro
- Z40-70/Z40-75/Z50-70/Z50-75/Z70-80
Product
Vendor
Name
License
Website
- Vendor: https://www.lenovo.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 81425
Nessus Name: Komodia SSL Digestor Root CA Certificate Installed (Superfish)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: DisableStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
02/20/2015 🔍02/20/2015 🔍
02/20/2015 🔍
02/23/2015 🔍
02/24/2015 🔍
02/24/2015 🔍
02/24/2015 🔍
11/12/2024 🔍
Sources
Vendor: lenovo.comAdvisory: LEN-2015-010
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-2077 (🔍)
GCVE (CVE): GCVE-0-2015-2077
GCVE (VulDB): GCVE-100-69200
CERT: 🔍
SecurityFocus: 72693 - Komodia Redirector SSL Certificate Validation Spoofing Vulnerability
SecurityTracker: 1031779 - Lenovo Notebook Pre-Installed Software Lets Remote Users Spoof SSL Servers and Decrypt SSL Sessions
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 02/24/2015 08:41Updated: 11/12/2024 02:24
Changes: 02/24/2015 08:41 (51), 07/10/2017 09:03 (17), 03/10/2022 15:03 (3), 03/10/2022 15:04 (1), 03/10/2022 15:09 (1), 11/12/2024 02:24 (15)
Complete: 🔍
Cache ID: 216:861:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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