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 was found in Apple Safari up to 10.1.2. It has been rated as critical. This affects an unknown part of the component WebKit. This manipulation causes memory corruption. This vulnerability is handled as CVE-2017-7095. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Apple Safari up to 10.1.2 (Web Browser). Affected by this vulnerability is an unknown function 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 released 09/25/2017 by Wei Yuan (lokihardt) with Nanyang Technological University as HT208116 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2017-7095 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. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 108703 (FreeBSD : webkit2-gtk3 -- multiple vulnerabilities (1ce95bc7-3278-11e8-b527-00012e582166) (Spectre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370577 (Apple iTunes for Windows Prior to 12.7 Multiple Vulnerabilities. (HT208141)).

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 (108703) and SecurityFocus (BID 101006†). Entries connected to this vulnerability are available at VDB-102678, VDB-107049, VDB-107050 and VDB-107051. 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: 108703
Nessus Name: FreeBSD : webkit2-gtk3 -- multiple vulnerabilities (1ce95bc7-3278-11e8-b527-00012e582166) (Spectre)
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 🔍
09/25/2017 +13 days 🔍
09/25/2017 +0 days 🔍
09/25/2017 +0 days 🔍
10/22/2017 +27 days 🔍
10/23/2017 +1 days 🔍
03/29/2018 +157 days 🔍
01/19/2021 +1027 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208116
Researcher: Wei Yuan (lokihardt)
Organization: Nanyang Technological University
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7095 (🔍)
GCVE (CVE): GCVE-0-2017-7095
GCVE (VulDB): GCVE-100-108451
SecurityFocus: 101006 - WebKit Multiple Arbitrary Code Execution Vulnerabilities
SecurityTracker: 1039384

See also: 🔍

Entryinfo

Created: 10/23/2017 11:32
Updated: 01/19/2021 20:49
Changes: 10/23/2017 11:32 (69), 11/29/2019 14:42 (17), 01/19/2021 20:49 (3)
Complete: 🔍
Cache ID: 216:123:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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