Apple Safari up to 11.0 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. The affected element is an unknown function of the component WebKit. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-13791. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 11.0 (Web Browser). It has been rated as critical. This issue affects an unknown code 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 10/31/2017. The weakness was disclosed 10/31/2017 by Ivan Fratric with Google Project Zero as HT208223 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2017-13791 since 08/30/2017. 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. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $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 370624 (Apple iTunes for Windows Prior to 12.7.1 Multiple Vulnerabilities (HT208224)).

Upgrading to version 11.0.1 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 Exploit-DB (43176) and Tenable (108703). The entries VDB-107051, VDB-108420, VDB-108421 and VDB-108422 are pretty similar. 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: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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( HT208225 )
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Safari 11.0.1

Timelineinfo

08/30/2017 🔍
10/31/2017 +62 days 🔍
10/31/2017 +0 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
11/12/2017 +9 days 🔍
03/29/2018 +137 days 🔍
04/27/2025 +2586 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208223
Researcher: Ivan Fratric
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13791 (🔍)
GCVE (CVE): GCVE-0-2017-13791
GCVE (VulDB): GCVE-100-108917
SecurityTracker: 1039703

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/03/2017 14:19
Updated: 04/27/2025 18:43
Changes: 11/03/2017 14:19 (68), 12/03/2019 08:08 (16), 01/21/2021 16:37 (3), 04/27/2025 18:43 (15)
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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