Netscape Communicator up to 4.79 Java Class sun.awt.windows.WDefaultFontCharset memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Netscape Communicator up to 4.79. This affects the function sun.awt.windows.WDefaultFontCharset of the component Java Class Handler. The manipulation results in memory corruption. This vulnerability is known as CVE-2002-2248. No exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in Netscape Communicator up to 4.79 (Web Browser). Affected is the function sun.awt.windows.WDefaultFontCharset of the component Java Class Handler. The manipulation with an unknown input 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 the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows remote attackers to execute arbitrary code via an applet that calls the WDefaultFontCharset constructor with a long string and invokes the canConvert method.

The weakness was published 12/31/2002 by Jouko Pynnonen (Website). The advisory is available at marc.theaimsgroup.com. This vulnerability is traded as CVE-2002-2248 since 10/14/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/12/2018).

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 (10706) and SecurityFocus (BID 6256†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.6

VulDB Base Score: 10.0
VulDB Temp Score: 9.6
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2002 🔍
12/31/2002 +35 days 🔍
12/31/2002 +0 days 🔍
10/14/2007 +1748 days 🔍
08/06/2014 +2488 days 🔍
06/12/2018 +1406 days 🔍

Sourcesinfo

Vendor: netscape.com

Advisory: marc.theaimsgroup.com
Researcher: Jouko Pynnonen
Status: Not defined

CVE: CVE-2002-2248 (🔍)
GCVE (CVE): GCVE-0-2002-2248
GCVE (VulDB): GCVE-100-19890
X-Force: 10706 - Netscape Java Applet canConvert() method buffer overflow
SecurityFocus: 6256 - Netscape Java canConvert() Buffer Overflow Vulnerability

Entryinfo

Created: 08/06/2014 18:22
Updated: 06/12/2018 10:51
Changes: 08/06/2014 18:22 (53), 06/12/2018 10:51 (3)
Complete: 🔍
Cache ID: 216::103

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

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