Apple Safari up to 10.1.2 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Safari up to 10.1.2. The impacted element is an unknown function of the component WebKit. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-7081. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Safari up to 10.1.2 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown functionality of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 09/12/2017. The weakness was published 09/25/2017 with Apple as HT208116 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-7081 since 03/17/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. 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 $25k-$100k. 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 11.0 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†). Similar entries are available at VDB-102678, VDB-107049, VDB-107050 and VDB-107051. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 🔍
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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: Safari 11.0

Timelineinfo

03/17/2017 🔍
09/12/2017 +179 days 🔍
09/20/2017 +8 days 🔍
09/25/2017 +5 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: HT208116
Researcher: Apple
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7081 (🔍)
GCVE (CVE): GCVE-0-2017-7081
GCVE (VulDB): GCVE-100-108445
SecurityFocus: 100985 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1039384

See also: 🔍

Entryinfo

Created: 10/23/2017 11:31
Updated: 01/19/2021 20:00
Changes: 10/23/2017 11:31 (79), 11/29/2019 13:44 (5), 01/19/2021 19:56 (3), 01/19/2021 20:00 (1)
Complete: 🔍
Cache ID: 216::103

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