Apple Safari up to 11.0.1 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 identified as critical has been detected in Apple Safari up to 11.0.1. Affected by this issue is some unknown functionality of the component WebKit. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2017-7157. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Safari up to 11.0.1 (Web Browser) and classified as critical. Affected by this vulnerability is some 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 12/01/2017. The weakness was shared 12/13/2017 by Jeonghoon Shin as HT208324 as confirmed security advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-7157 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 vulnerability was handled as a non-public zero-day exploit for at least 5 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 370686 (Apple iCloud for Windows Multiple Memory Corruption Vulnerabilities(HT208328)).

Upgrading to version 11.0.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108703), SecurityFocus (BID 102181†) and SecurityTracker (ID 1040012†). The entries VDB-107051, VDB-108420, VDB-108421 and VDB-108422 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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: 831730
OpenVAS Name: Apple iTunes Security Updates( HT208326 )
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Safari 11.0.2

Timelineinfo

03/17/2017 🔍
12/01/2017 +259 days 🔍
12/06/2017 +5 days 🔍
12/13/2017 +7 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/17/2017 +4 days 🔍
12/27/2017 +10 days 🔍
03/29/2018 +92 days 🔍
01/27/2021 +1035 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208324
Researcher: Jeonghoon Shin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7157 (🔍)
GCVE (CVE): GCVE-0-2017-7157
GCVE (VulDB): GCVE-100-110749
SecurityFocus: 102181 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1040012

See also: 🔍

Entryinfo

Created: 12/17/2017 09:49
Updated: 01/27/2021 13:11
Changes: 12/17/2017 09:49 (68), 12/15/2019 17:04 (19), 01/27/2021 13:11 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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