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 marked as critical has been reported in Apple Safari up to 11.0.1. This vulnerability affects unknown code of the component WebKit. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2017-13870. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 11.0.1 (Web Browser). It has been classified as critical. This affects an unknown code of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 12/01/2017. The weakness was released 12/13/2017 by Jeonghoon Shin as HT208324 as confirmed security advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-13870 since 08/30/2017. It is possible to initiate the attack remotely. No form of authentication is needed for 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 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†). Entries connected to this vulnerability are available at VDB-107051, VDB-108420, VDB-108421 and VDB-108422. Be aware that VulDB is the high quality source 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: 861927
OpenVAS Name: Fedora Update for webkitgtk4 FEDORA-2017-06b373d942
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

08/30/2017 🔍
12/01/2017 +93 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 🔍
12/25/2017 +8 days 🔍
03/29/2018 +94 days 🔍
01/27/2021 +1035 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2017-13870 (🔍)
GCVE (CVE): GCVE-0-2017-13870
GCVE (VulDB): GCVE-100-110751
SecurityFocus: 102181 - WebKit Multiple Memory Corruption Vulnerabilities
SecurityTracker: 1040012

See also: 🔍

Entryinfo

Created: 12/17/2017 09:49
Updated: 01/27/2021 13:20
Changes: 12/17/2017 09:49 (68), 12/15/2019 16:56 (19), 01/27/2021 13:20 (2)
Complete: 🔍
Cache ID: 216::103

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