OpenWrt 15.05.1/18.06.4 ustream-ssl SSL Certificate certificate validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in OpenWrt 15.05.1/18.06.4. Affected is an unknown function of the component ustream-ssl. Executing a manipulation as part of SSL Certificate can lead to certificate validation. This vulnerability is handled as CVE-2019-5102. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability classified as critical was found in OpenWrt 15.05.1/18.06.4. This vulnerability affects an unknown function of the component ustream-ssl. The manipulation as part of a SSL Certificate leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1. When connecting to a remote server, the server's SSL certificate is checked but no action is taken when the certificate is invalid. An attacker could exploit this behavior by performing a man-in-the-middle attack, providing any certificate, leading to the theft of all the data sent by the client during the first request.
The weakness was released 11/18/2019. This vulnerability was named CVE-2019-5102 since 01/04/2019. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Entry connected to this vulnerability is available at VDB-145935. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CNA Base Score: 4.0
CNA Vector (Talos): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/04/2019 🔍11/18/2019 🔍
11/19/2019 🔍
02/23/2024 🔍
Sources
Advisory: talosintelligence.comStatus: Not defined
CVE: CVE-2019-5102 (🔍)
GCVE (CVE): GCVE-0-2019-5102
GCVE (VulDB): GCVE-100-145936
See also: 🔍
Entry
Created: 11/19/2019 06:47Updated: 02/23/2024 15:59
Changes: 11/19/2019 06:47 (37), 11/19/2019 06:52 (17), 02/23/2024 15:54 (3), 02/23/2024 15:59 (12)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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