Apple iOS up to 11.0.3 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 categorized as critical has been discovered in Apple iOS up to 11.0.3. The affected element is an unknown function of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-13784. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 11.0.3 (Smartphone Operating System). Affected by this issue is an unknown functionality 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 HT208222 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2017-13784 since 08/30/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 104359 (Apple iTunes < 12.7.1 WebKit Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370627 (Apple iCloud for Windows Multiple Memory Corruption Vulnerabilities).

Upgrading to version 11.1 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 (43171) and Tenable (104359). The entries VDB-108926, VDB-108913, VDB-108914 and VDB-108915 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

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: 104359
Nessus Name: Apple iTunes < 12.7.1 WebKit Multiple Vulnerabilities (credentialed check)
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: iOS 11.1

Timelineinfo

08/30/2017 🔍
10/31/2017 +62 days 🔍
10/31/2017 +0 days 🔍
10/31/2017 +0 days 🔍
11/02/2017 +2 days 🔍
11/03/2017 +1 days 🔍
11/12/2017 +9 days 🔍
05/31/2025 +2757 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208222
Researcher: Ivan Fratric
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13784 (🔍)
GCVE (CVE): GCVE-0-2017-13784
GCVE (VulDB): GCVE-100-109082
SecurityTracker: 1039703

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 11/03/2017 15:40
Updated: 05/31/2025 10:06
Changes: 11/03/2017 15:40 (78), 12/04/2019 08:38 (6), 01/23/2021 06:56 (3), 05/31/2025 10:06 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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