Apple iOS up to 10.3.3 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 10.3.3 and classified as critical. This vulnerability affects unknown code of the component WebKit. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-7081. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 10.3.3 (Smartphone Operating System) and classified as critical. This issue affects an unknown part of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 09/12/2017. The weakness was shared 09/25/2017 with Apple as HT208112 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2017-7081 since 03/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/19/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed through improved input validation.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 103360 (macOS : Apple Safari < 11.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370585 (Apple iCloud for Windows Multiple Security Vulnerabilities (HT208142)).

Upgrading to version 11 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103360) and SecurityFocus (BID 100985†). The entries VDB-102678, VDB-107049, VDB-107050 and VDB-107051 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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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Nessus ID: 103360
Nessus Name: macOS : Apple Safari < 11.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Security Updates(HT208142)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 11

Timelineinfo

03/17/2017 🔍
09/12/2017 +179 days 🔍
09/20/2017 +8 days 🔍
09/25/2017 +4 days 🔍
09/25/2017 +0 days 🔍
09/25/2017 +0 days 🔍
10/22/2017 +27 days 🔍
10/23/2017 +1 days 🔍
01/19/2021 +1184 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208112
Researcher: Apple
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7081 (🔍)
GCVE (CVE): GCVE-0-2017-7081
GCVE (VulDB): GCVE-100-108419
SecurityFocus: 100985
SecurityTracker: 1039384

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

Entryinfo

Created: 10/23/2017 11:22
Updated: 01/19/2021 16:27
Changes: 10/23/2017 11:22 (69), 11/29/2019 10:25 (13), 01/19/2021 16:21 (3), 01/19/2021 16:27 (3)
Complete: 🔍
Cache ID: 216::103

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