VDB-94737 · CVE-2017-2368 · BID 95722

Apple iOS up to 10.2.1 b2 iMessage VCF Card Freeze input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.94

Summaryinfo

A vulnerability classified as critical has been found in Apple iOS up to 10.2.1 b2. Impacted is an unknown function of the component iMessage. Performing a manipulation as part of VCF Card results in input validation (Freeze). This vulnerability is reported as CVE-2017-2368. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to use the suggested workaround.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 10.2.1 b2 (Smartphone Operating System). This affects some unknown processing of the component iMessage. The manipulation as part of a VCF Card leads to a input validation vulnerability (Freeze). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. The issue involves the "Contacts" component. It allows remote attackers to cause a denial of service (application crash) via a crafted contact card.

The bug was discovered 01/23/2017. The weakness was disclosed 12/29/2016 by vincedes3 as Bug: crash Message application by MMS on iOS as confirmed article (Website). The advisory is shared at vincedes3.com. The public release happened without involvement of Apple. This vulnerability is uniquely identified as CVE-2017-2368 since 12/01/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by vincedes3 in VCF Card and been published immediately after the advisory. The exploit is shared for download at vincedes3.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

The best possible mitigation is suggested to be Workaround. 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 95722†). The entry VDB-95942 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.5
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Freeze
Class: Input validation / Freeze
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: vincedes3
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

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

Workaround: vincedes3.com

Timelineinfo

12/01/2016 🔍
12/29/2016 +28 days 🔍
12/29/2016 +0 days 🔍
12/29/2016 +0 days 🔍
12/30/2016 +1 days 🔍
01/23/2017 +24 days 🔍
01/23/2017 +0 days 🔍
02/20/2017 +28 days 🔍
10/27/2022 +2075 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: Bug: crash Message application by MMS on iOS
Researcher: vincedes3
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2368 (🔍)
GCVE (CVE): GCVE-0-2017-2368
GCVE (VulDB): GCVE-100-94737
SecurityFocus: 95722 - Apple iOS APPLE-SA-2017-01-23-1 Denial of Service and Security Bypass Vulnerabilities
SecurityTracker: 1037668

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

Entryinfo

Created: 12/30/2016 18:03
Updated: 10/27/2022 07:52
Changes: 12/30/2016 18:03 (80), 08/19/2019 16:28 (4), 10/27/2022 07:52 (4)
Complete: 🔍
Cache ID: 216::103

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

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