VDB-107618 · CVE-2015-7778 · BID 77637

Gurunavi App up to 5.x on iOS SSL Certificate Validator certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Gurunavi App up to 5.x on iOS. Impacted is an unknown function of the component SSL Certificate Validator. Such manipulation leads to certificate validation. This vulnerability is listed as CVE-2015-7778. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Gurunavi App up to 5.x on iOS (iOS App Software) and classified as problematic. Affected by this issue is an unknown function of the component SSL Certificate Validator. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Gurunavi App for iOS before 6.0.0 does not verify SSL certificates which could allow remote attackers to perform man-in-the-middle attacks.

The bug was discovered 11/17/2015. The weakness was presented 10/10/2017 by Aoki Keiichi (Website). The advisory is available at jvn.jp. This vulnerability is handled as CVE-2015-7778 since 10/09/2015. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 693 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 77637†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Gurunavi App 6.0.0

Timelineinfo

10/09/2015 🔍
11/17/2015 +39 days 🔍
11/17/2015 +0 days 🔍
10/10/2017 +693 days 🔍
10/10/2017 +0 days 🔍
10/11/2017 +1 days 🔍
11/23/2019 +773 days 🔍

Sourcesinfo

Advisory: jvn.jp
Researcher: Aoki Keiichi
Status: Not defined

CVE: CVE-2015-7778 (🔍)
GCVE (CVE): GCVE-0-2015-7778
GCVE (VulDB): GCVE-100-107618
SecurityFocus: 77637 - Gurunavi App for iOS CVE-2015-7778 SSL Certificate Validation Security Bypass Vulnerability

Entryinfo

Created: 10/11/2017 10:11
Updated: 11/23/2019 08:56
Changes: 10/11/2017 10:11 (65), 11/23/2019 08:56 (1)
Complete: 🔍
Cache ID: 216:952:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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