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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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple Safari up to 10.0.2. Affected by this issue is some unknown functionality of the component WebKit. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-2369. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 10.0.2 (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown functionality 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 01/19/2017. The weakness was published 01/23/2017 by Ivan Fratric (lokihardt) with Google Project Zero as HT207484 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-2369 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. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed through improved input validation.

After 2 weeks, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. 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)). The code used by the exploit is:

<keygen id="keygen_element" style="position:absolute; height: 100px; width: 100px;">
<script>
var range = document.caretRangeFromPoint(50, 50);
var shadow_tree_container = range.commonAncestorContainer;
shadow_tree_container.prepend("foo");
keygen_element.disabled = true;
</script>

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 Exploit-DB (41215), Tenable (96798) and SecurityFocus (BID 95727†). Similar entries are available at VDB-95903, VDB-95883, VDB-95902 and VDB-95912. 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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 96798
Nessus Name: macOS : Apple Safari < 10.0.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800100
OpenVAS Name: Apple Safari Multiple Vulnerabilities-01 February17
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 10.0.3

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 🔍
02/01/2017 +6 days 🔍
02/01/2017 +0 days 🔍
02/20/2017 +19 days 🔍
02/23/2025 +2925 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207484
Researcher: Ivan Fratric (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2369 (🔍)
GCVE (CVE): GCVE-0-2017-2369
GCVE (VulDB): GCVE-100-95965
SecurityFocus: 95727 - WebKit Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2369 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1037668

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

Entryinfo

Created: 01/25/2017 11:48
Updated: 02/23/2025 06:49
Changes: 01/25/2017 11:48 (79), 08/10/2020 20:10 (16), 11/04/2022 07:28 (4), 02/23/2025 06:49 (14)
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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