Apple Safari 3.2.1 link following

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple Safari 3.2.1. The impacted element is an unknown function. The manipulation results in link following. This vulnerability is reported as CVE-2009-0321. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as problematic has been found in Apple Safari 3.2.1 (Web Browser). Affected is an unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on availability. CVE summarizes:

Apple Safari 3.2.1 (aka AppVer 3.525.27.1) on Windows allows remote attackers to cause a denial of service (infinite loop or access violation) via a link to an http URI in which the authority (aka hostname) portion is either a (1) . (dot) or (2) .. (dot dot) sequence.

The weakness was disclosed 01/28/2009 by Lostmon (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2009-0321 since 01/28/2009. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116162 (Apple Safari Malformed URI Remote Denial of Service Vulnerability).

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 X-Force (48284), Exploit-DB (32761) and SecurityFocus (BID 33481†). 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: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
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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OpenVAS ID: 800409
OpenVAS Name: Apple Safari Malformed URI Remote DoS Vulnerability (Win)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/27/2009 🔍
01/28/2009 +1 days 🔍
01/28/2009 +0 days 🔍
01/28/2009 +0 days 🔍
03/17/2015 +2239 days 🔍
09/23/2025 +3843 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: securityfocus.com⛔
Researcher: Lostmon
Status: Not defined

CVE: CVE-2009-0321 (🔍)
GCVE (CVE): GCVE-0-2009-0321
GCVE (VulDB): GCVE-100-46152

OVAL: 🔍

X-Force: 48284 - Apple Safari http: URI denial of service
SecurityFocus: 33481 - Apple Safari Malformed URI Remote Denial Of Service Vulnerability

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

Entryinfo

Created: 03/17/2015 16:11
Updated: 09/23/2025 07:23
Changes: 03/17/2015 16:11 (62), 10/27/2018 04:36 (1), 05/16/2025 17:25 (18), 09/23/2025 07:23 (1)
Complete: 🔍
Cache ID: 216:FC1:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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