Envoy Passport on Android/iOS OAuth credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Envoy Passport on Android/iOS and classified as problematic. The impacted element is an unknown function of the component OAuth Handler. The manipulation leads to credentials management. This vulnerability is uniquely identified as CVE-2018-17500. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Envoy Passport on Android/iOS (the affected version unknown). This issue affects an unknown part of the component OAuth Handler. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality. The summary by CVE is:

Envoy Passport for Android and Envoy Passport for iPhone could allow a local attacker to obtain sensitive information, caused by the storing of hardcoded OAuth Creds in plaintext. An attacker could exploit this vulnerability to obtain sensitive information.

The bug was discovered 03/04/2019. The weakness was disclosed 03/21/2019 (Website). The advisory is shared at exchange.xforce.ibmcloud.com. The identification of this vulnerability is CVE-2018-17500 since 09/25/2018. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-131896 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 2.9
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/25/2018 🔍
03/04/2019 +160 days 🔍
03/21/2019 +17 days 🔍
03/22/2019 +1 days 🔍
08/03/2023 +1595 days 🔍

Sourcesinfo

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined

CVE: CVE-2018-17500 (🔍)
GCVE (CVE): GCVE-0-2018-17500
GCVE (VulDB): GCVE-100-131897
X-Force: 149660

scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍

Entryinfo

Created: 03/22/2019 07:04
Updated: 08/03/2023 10:53
Changes: 03/22/2019 07:04 (56), 05/17/2020 17:43 (1), 08/03/2023 10:48 (3), 08/03/2023 10:53 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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