Apple iOS up to 10.3.1 Security certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 10.3.1. This impacts an unknown function of the component Security. Such manipulation leads to certificate validation. This vulnerability is traded as CVE-2017-2498. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 10.3.1 (Smartphone Operating System) and classified as critical. Affected by this issue is some unknown functionality of the component Security. 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:

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. The issue involves the "Security" component. It allows attackers to bypass intended access restrictions via an untrusted certificate.

The bug was discovered 05/15/2017. The weakness was shared 05/15/2017 by Andrew Jerman (vincedes3) as HT207798 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2017-2498 since 12/01/2016. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/23/2020). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1587.003. The advisory points out:

A certificate validation issue existed in the handling of untrusted certificates. This issue was addressed through improved user handling of trust acceptance.

Upgrading to version 10.3.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98479†). The entries VDB-101294, VDB-101254, VDB-101255 and VDB-101256 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 10.3.2

Timelineinfo

12/01/2016 🔍
05/15/2017 +165 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/22/2017 +6 days 🔍
12/23/2020 +1311 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207798
Researcher: Andrew Jerman (vincedes3)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2498 (🔍)
GCVE (CVE): GCVE-0-2017-2498
GCVE (VulDB): GCVE-100-101264
SecurityFocus: 98479 - Apple iOS APPLE-SA-2017-05-15-2 Security Bypass and Denial of Service Vulnerabilities
OSVDB: - CVE-2017-2498 - Apple - Iphone Os - Medium
SecurityTracker: 1038485

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/16/2017 04:19
Updated: 12/23/2020 15:55
Changes: 05/16/2017 04:19 (68), 09/27/2020 08:00 (7), 12/23/2020 15:55 (2)
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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