Niconico App up to 6.37 SSL Certificate Verification Service certificate validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Niconico App up to 6.37. This affects some unknown functionality of the component SSL Certificate Verification Service. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
niconico App for iOS before 6.38 does not verify SSL certificates which could allow remote attackers to execute man-in-the-middle attacks.
The bug was discovered 09/29/2015. The weakness was presented 10/10/2017 by Aoki Keiichi (Website). The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2015-5639 since 07/24/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 742 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 6.38 eliminates this vulnerability.
Product
Name
Version
- 6.0
- 6.1
- 6.2
- 6.3
- 6.4
- 6.5
- 6.6
- 6.7
- 6.8
- 6.9
- 6.10
- 6.11
- 6.12
- 6.13
- 6.14
- 6.15
- 6.16
- 6.17
- 6.18
- 6.19
- 6.20
- 6.21
- 6.22
- 6.23
- 6.24
- 6.25
- 6.26
- 6.27
- 6.28
- 6.29
- 6.30
- 6.31
- 6.32
- 6.33
- 6.34
- 6.35
- 6.36
- 6.37
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.4
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: Certificate validationCWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Niconico App 6.38
Timeline
07/24/2015 🔍09/29/2015 🔍
09/29/2015 🔍
10/10/2017 🔍
10/10/2017 🔍
10/11/2017 🔍
11/23/2019 🔍
Sources
Advisory: jvn.jpResearcher: Aoki Keiichi
Status: Not defined
CVE: CVE-2015-5639 (🔍)
SecurityFocus: 76906 - niconico App for iOS CVE-2015-56 SSL Certificate Validation Security Bypass Vulnerability
Entry
Created: 10/11/2017 10:09Updated: 11/23/2019 09:00
Changes: 10/11/2017 10:09 (63), 11/23/2019 09:00 (1)
Complete: 🔍
Cache ID: 18:870:103
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