Apple QuickTime 5.x/6.0 on Windows 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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple QuickTime 5.x/6.0 on Windows. This affects an unknown part. The manipulation with the input quicktime://www.example.invalid/[ax400] results in memory corruption. This vulnerability is cataloged as CVE-2003-0168. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple QuickTime 5.x/6.0 on Windows (Multimedia Player Software). It has been classified as critical. Affected is an unknown part. The manipulation with the input value quicktime://www.example.invalid/[ax400] leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in Apple QuickTime Player 5.x and 6.0 for Windows allows remote attackers to execute arbitrary code via a long QuickTime URL.

The bug was discovered 01/16/2003. The weakness was shared 03/31/2003 by Joel Soderberg and Christer Oberg with Texonet (Website). The advisory is shared for download at idefense.com. This vulnerability is traded as CVE-2003-0168 since 03/27/2003. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 11506 (QuickTime < 6.1 URL Handling Overflow (Windows)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38555 (Apple QuickTime Player for Windows Buffer Overflow via Crafted URL).

Upgrading to version 6.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at apple.com. The best possible mitigation is suggested to be upgrading to the latest version. Attack attempts may be identified with Snort ID 1436.

The vulnerability is also documented in the databases at X-Force (11671), Tenable (11506), SecurityFocus (BID 7247†), OSVDB (10561†) and Vulnerability Center (SBV-1483†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 11506
Nessus Name: QuickTime < 6.1 URL Handling Overflow (Windows)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: QuickTime 6.1
Patch: apple.com

Snort ID: 1436

Timelineinfo

01/16/2003 🔍
03/27/2003 +70 days 🔍
03/31/2003 +3 days 🔍
03/31/2003 +0 days 🔍
03/31/2003 +0 days 🔍
03/31/2003 +0 days 🔍
04/02/2003 +2 days 🔍
04/02/2003 +0 days 🔍
04/02/2003 +0 days 🔍
07/21/2003 +110 days 🔍
04/09/2004 +262 days 🔍
08/24/2025 +7807 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: idefense.com⛔
Researcher: Joel Soderberg, Christer Oberg
Organization: Texonet
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-0168 (🔍)
GCVE (CVE): GCVE-0-2003-0168
GCVE (VulDB): GCVE-100-24
CERT: 🔍
X-Force: 11671 - Apple QuickTime Player long URL buffer overflow, High Risk
SecurityFocus: 7247 - Apple QuickTime Player Custom URL Vulnerability
OSVDB: 10561 - Apple QuickTime Player for Windows URL Handling Overflow
SecuriTeam: securiteam.com
Vulnerability Center: 1483 - Apple QuickTime Player Allows Arbitrary Code Execution, Medium

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

Entryinfo

Created: 03/31/2003 02:00
Updated: 08/24/2025 01:27
Changes: 03/31/2003 02:00 (64), 01/11/2019 11:51 (27), 03/08/2021 07:57 (3), 03/08/2021 08:03 (1), 01/19/2025 03:05 (17), 08/24/2025 01:27 (2)
Complete: 🔍
Cache ID: 216:0FF:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!