Apple Safari up to 10.1.0 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 has been found in Apple Safari up to 10.1.0 and classified as critical. This vulnerability affects unknown code of the component WebKit. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-2506. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Apple Safari up to 10.1.0 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown part 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 05/10/2017. The weakness was published 05/15/2017 by Richard Zhu (lokihardt) with Zero Day Initiative as HT207804 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2017-2506 since 12/01/2016. 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. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

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 100355 (macOS : Apple Safari < 10.1.1 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 371242 (Apple Safari 10.1.1 Not Installed (APPLE-SA-2017-05-15-7)).

Upgrading to version 10.1.1 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 Tenable (100355) and SecurityFocus (BID 98474†). Similar entries are available at VDB-101294, VDB-101254, VDB-101262 and VDB-101263. 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: 100355
Nessus Name: macOS : Apple Safari < 10.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802925
OpenVAS Name: Apple Safari Multiple Vulnerabilities-HT207804
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 10.1.1

Timelineinfo

12/01/2016 🔍
05/10/2017 +160 days 🔍
05/15/2017 +5 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/22/2017 +6 days 🔍
05/23/2017 +1 days 🔍
12/24/2020 +1311 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207804
Researcher: Richard Zhu (lokihardt)
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2506 (🔍)
GCVE (CVE): GCVE-0-2017-2506
GCVE (VulDB): GCVE-100-101335
SecurityFocus: 98474 - Apple iOS and Safari Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2506 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1038487

See also: 🔍

Entryinfo

Created: 05/16/2017 09:16
Updated: 12/24/2020 08:45
Changes: 05/16/2017 09:16 (79), 09/28/2020 07:53 (8), 12/24/2020 08:45 (3)
Complete: 🔍
Cache ID: 216::103

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