Macromedia Shockwave Flash SWF Header 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Macromedia Shockwave Flash and classified as critical. Affected by this vulnerability is an unknown functionality of the component SWF Header Handler. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2002-0846. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Macromedia Shockwave Flash (the affected version is unknown). Affected by this issue is an unknown code of the component SWF Header Handler. 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:

The decoder for Macromedia Shockwave Flash allows remote attackers to execute arbitrary code via a malformed SWF header that contains more data than the specified length.

The weakness was disclosed 08/12/2002 by eEye Digital Security with eEye Digital Security (Website). The advisory is available at macromedia.com. This vulnerability is handled as CVE-2002-0846. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 12355 (RHEL 2.1 : netscape (RHSA-2003:027)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 23016 (Macromedia Flash Malformed Header Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 12 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (9798), Tenable (12355), SecurityFocus (BID 5430†) and Vulnerability Center (SBV-2730†). The entry VDB-20376 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 12355
Nessus Name: RHEL 2.1 : netscape (RHSA-2003:027)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/08/2002 🔍
08/12/2002 +4 days 🔍
08/12/2002 +0 days 🔍
08/12/2002 +0 days 🔍
07/09/2003 +331 days 🔍
10/29/2003 +112 days 🔍
07/06/2004 +251 days 🔍
07/22/2014 +3668 days 🔍
09/05/2025 +4063 days 🔍

Sourcesinfo

Vendor: macromedia.com

Advisory: macromedia.com
Researcher: eEye Digital Security
Organization: eEye Digital Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0846 (🔍)
GCVE (CVE): GCVE-0-2002-0846
GCVE (VulDB): GCVE-100-18722
X-Force: 9798
SecurityFocus: 5430 - Macromedia Flash Malformed Header Buffer Overflow Vulnerability
Vulnerability Center: 2730 - Buffer Overflow in Macromedia Shockwave Flash Decoder via a Malformed SWF Header, Medium

See also: 🔍

Entryinfo

Created: 07/23/2014 00:13
Updated: 09/05/2025 18:06
Changes: 07/23/2014 00:13 (69), 05/16/2019 12:45 (2), 09/05/2025 18:06 (20)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!