Apple Safari up to 5.0.2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$25k-$100k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Safari up to 5.0.2. This vulnerability affects unknown code. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2010-3821. No exploit is available.

Detailsinfo

A vulnerability was found in Apple Safari up to 5.0.2 (Web Browser). It has been rated as very critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.3 on Mac OS X 10.4, does not properly handle the :first-letter pseudo-element in a Cascading Style Sheets (CSS) token sequence, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

The weakness was published 11/22/2010 as HT4455 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2010-3821. 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 current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 01/20/2025).

The vulnerability scanner Nessus provides a plugin with the ID 50653 (Mac OS X : Apple Safari < 5.0.3 / 4.1.3), 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 118741 (Apple Safari Prior to 5.0.3 and 4.1.3 Multiple Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (50653) and Vulnerability Center (SBV-28359†). Similar entries are available at VDB-55524, VDB-55523, VDB-55522 and VDB-55521. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 50653
Nessus Name: Mac OS X : Apple Safari < 5.0.3 / 4.1.3
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801641
OpenVAS Name: Apple Safari Webkit Multiple Vulnerabilities - Nov10
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/07/2010 🔍
11/22/2010 +46 days 🔍
11/22/2010 +0 days 🔍
11/22/2010 +0 days 🔍
11/23/2010 +1 days 🔍
03/19/2015 +1577 days 🔍
01/20/2025 +3595 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT4455
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3821 (🔍)
GCVE (CVE): GCVE-0-2010-3821
GCVE (VulDB): GCVE-100-55520

OVAL: 🔍

X-Force: 63360
SecurityFocus: 43079
Secunia: 42314
Vulnerability Center: 28359 - Apple Safari Remote Arbitrary Code Execution Vulnerability via Cascading Style Sheets, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 01/20/2025 16:24
Changes: 03/19/2015 14:37 (57), 03/10/2017 10:21 (6), 10/05/2021 14:57 (5), 10/05/2021 14:58 (1), 10/05/2021 15:01 (2), 01/20/2025 16:24 (16)
Complete: 🔍
Cache ID: 216::103

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