Apple Safari up to 4.0.2 memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$0-$5k	0.00

A vulnerability has been found in Apple Safari up to 4.0.2 (Web Browser) and classified as very critical. This vulnerability affects an unknown code. 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. CVE summarizes:

Buffer overflow in WebKit in Apple Safari before 4.0.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted floating-point numbers.

The weakness was released 08/12/2009 with Apple (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2009-2195. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/14/2021).

The vulnerability scanner Nessus provides a plugin with the ID 40553 (Mac OS X : Apple Safari < 4.0.3), 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 116553 (Apple Safari 4.0.3 Not Installed).

Upgrading to version 3.1.0b eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8780.

The vulnerability is also documented in the databases at X-Force (52389) and Tenable (40553). Entries connected to this vulnerability are available at 49399, 49398 and 49397.

Productinfo

Type

Web Browser

Vendor

Apple

Name

Safari

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 40553
Nessus Name: Mac OS X : Apple Safari < 4.0.3
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 900912
OpenVAS Name: Apple Safari Multiple Vulnerabilities - Aug09
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/safari_webkit_floating_point
Saint Name: Safari WebKit floating point number buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Safari 3.1.0b
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

06/24/2009 🔍
08/11/2009 +48 days 🔍
08/11/2009 +0 days 🔍
08/11/2009 +0 days 🔍
08/12/2009 +1 days 🔍
08/12/2009 +0 days 🔍
08/16/2009 +4 days 🔍
03/18/2015 +2040 days 🔍
08/14/2021 +2341 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: securityfocus.com⛔
Organization: Apple
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-2195 (🔍)
X-Force: 52389
Vulnerability Center: 23213 - Apple Safari < 4.0.3 WebKit Buffer Overflow Vulnerability via Crafted Floating-Point Numbers, Medium
SecurityFocus: 36023 - WebKit Floating Point Number Remote Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/14/2021 02:22
Changes: 03/18/2015 15:15 (71), 02/13/2017 10:11 (10), 08/14/2021 02:14 (3), 08/14/2021 02:22 (1)
Complete: 🔍