VDB-78308 · CVE-2015-5780 · BID 76909

Apple Safari 8.x Extension input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Apple Safari 8.x (Web Browser). It has been rated as critical. Affected by this issue is some unknown processing of the component Extension Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Safari Extensions implementation in Apple Safari before 9 does not require user confirmation before replacing an installed extension, which has unspecified impact and attack vectors.

The weakness was presented 10/09/2015 (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-5780 since 08/06/2015. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124142 (Apple Safari 9.0 Not Installed (APPLE-SA-2015-09-30-2)).

Upgrading to version 9.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (86270).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
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Class: Input validation

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803032
OpenVAS Name: Apple Safari Multiple Vulnerabilities-01 Oct15 (Mac OS X)
OpenVAS File: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Safari 9.0


08/06/2015 🔍
09/30/2015 +55 days 🔍
10/01/2015 +1 days 🔍
10/09/2015 +8 days 🔍
10/09/2015 +0 days 🔍
10/12/2015 +3 days 🔍
06/20/2022 +2443 days 🔍


Vendor: apple.com

Advisory: support.apple.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5780 (🔍)
SecurityTracker: 1033688
Vulnerability Center: 53044 - Apple Safari <9 Remote File System Write Vulnerability - CVE-2015-5780, Medium
SecurityFocus: 76909


Created: 10/12/2015 10:28 AM
Updated: 06/20/2022 10:56 AM
Changes: 10/12/2015 10:28 AM (60), 02/01/2018 07:09 AM (8), 06/20/2022 10:51 AM (3), 06/20/2022 10:56 AM (1)
Complete: 🔍
Cache ID: 34:6FB:40


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