Apple Safari up to 10.0.2 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Safari up to 10.0.2. It has been rated as critical. Affected is an unknown function of the component WebKit. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-2355. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 10.0.2 (Web Browser) and classified as critical. This issue affects an unknown function 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 01/19/2017. The weakness was presented 01/23/2017 with Team Pangu as HT207484 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2017-2355 since 12/01/2016. 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. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory initialization issue was addressed through improved memory handling.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 96798 (macOS : Apple Safari < 10.0.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370283 (Apple Safari 10.0.3 Not Installed (APPLE-SA-2017-01-23-5)).

Upgrading to version 10.0.3 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 (96798) and SecurityFocus (BID 95736†). See VDB-95912, VDB-95921, VDB-95922 and VDB-95919 for similar entries. 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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 96798
Nessus Name: macOS : Apple Safari < 10.0.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Code Execution Vulnerabilities Feb17 (Windows)
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 10.0.3

Timelineinfo

12/01/2016 🔍
01/19/2017 +49 days 🔍
01/23/2017 +4 days 🔍
01/23/2017 +0 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
01/26/2017 +1 days 🔍
02/20/2017 +25 days 🔍
11/04/2022 +2083 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207484
Organization: Team Pangu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2355 (🔍)
GCVE (CVE): GCVE-0-2017-2355
GCVE (VulDB): GCVE-100-95963
SecurityFocus: 95736 - WebKit Multiple Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-2355 - Apple - Multiple Products - Code Execution Issue
SecurityTracker: 1037668

See also: 🔍

Entryinfo

Created: 01/25/2017 11:49
Updated: 11/04/2022 07:17
Changes: 01/25/2017 11:49 (71), 07/31/2020 12:55 (15), 11/04/2022 07:17 (4)
Complete: 🔍
Cache ID: 216::103

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