Netscape/Mozilla/Opera GIF Image memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Netscape, Mozilla and Opera. It has been classified as critical. The affected element is an unknown function of the component GIF Image Handler. This manipulation causes memory corruption. This vulnerability appears as CVE-2002-1091. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Netscape, Mozilla and Opera (Web Browser) (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block of the component GIF Image Handler. 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. The summary by CVE is:

Netscape 6.2.3 and earlier, and Mozilla 1.0.1, allow remote attackers to corrupt heap memory and execute arbitrary code via a GIF image with a zero width.

The bug was discovered 09/06/2002. The weakness was presented 10/04/2002 by zen-parse as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is known as CVE-2002-1091. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 61919 (Mandrake Linux Security Advisory : mozilla (MDKSA-2002:074)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115020 (Red Hat Update Missing for Multiple Mozilla Vulnerabilities).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (10058), Tenable (61919), SecurityFocus (BID 5665†), OSVDB (15383†) and Vulnerability Center (SBV-6727†). See VDB-18803, VDB-19703, VDB-19956 and VDB-19980 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

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

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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: 61919
Nessus Name: Mandrake Linux Security Advisory : mozilla (MDKSA-2002:074)
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

09/06/2002 🔍
09/06/2002 +0 days 🔍
09/06/2002 +0 days 🔍
10/04/2002 +28 days 🔍
10/04/2002 +0 days 🔍
10/31/2002 +27 days 🔍
01/03/2005 +795 days 🔍
09/06/2012 +2803 days 🔍
07/29/2014 +691 days 🔍
09/15/2025 +4066 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: zen-parse
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-1091 (🔍)
GCVE (CVE): GCVE-0-2002-1091
GCVE (VulDB): GCVE-100-19003
X-Force: 10058
SecurityFocus: 5665 - Multiple Browser Zero Width GIF Image Memory Corruption Vulnerability
OSVDB: 15383 - Multiple Browser - Zero Width GIF Image - Memory Corruption Vulnerability
Vulnerability Center: 6727 - Memory Corruption in Mozilla Browser, Galeon Browser, Netscape, and Opera Web Browser via GIF Image, Medium

See also: 🔍

Entryinfo

Created: 07/29/2014 17:56
Updated: 09/15/2025 04:18
Changes: 07/29/2014 17:56 (70), 05/29/2019 06:41 (5), 09/15/2025 04:18 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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