Netscape Communicator up to 4.73 JPEG Comment 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 classified as critical was found in Netscape Communicator up to 4.73. The impacted element is an unknown function of the component JPEG Comment Handler. The manipulation results in memory corruption. This vulnerability is reported as CVE-2000-0655. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Netscape Communicator up to 4.73 (Web Browser). It has been classified as critical. Affected is an unknown function of the component JPEG Comment 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:

Netscape Communicator 4.73 and earlier allows remote attackers to cause a denial of service or execute arbitrary commands via a JPEG image containing a comment with an illegal field length of 1.

The bug was discovered 07/25/2000. The weakness was disclosed 07/25/2000 by Solar Designer (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2000-0655. 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 unknown but a public exploit is available.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5014), Exploit-DB (20098), SecurityFocus (BID 1503†), OSVDB (14791†) and Vulnerability Center (SBV-7746†). 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
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2000 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
07/25/2000 +0 days 🔍
05/04/2005 +1744 days 🔍
06/25/2014 +3339 days 🔍
12/22/2024 +3833 days 🔍

Sourcesinfo

Vendor: netscape.com

Advisory: securityfocus.com⛔
Researcher: Solar Designer
Status: Confirmed

CVE: CVE-2000-0655 (🔍)
GCVE (CVE): GCVE-0-2000-0655
GCVE (VulDB): GCVE-100-15792
X-Force: 5014
SecurityFocus: 1503 - Netscape Communicator JPEG-Comment Heap Overwrite Vulnerability
OSVDB: 14791 - Netscape - Communicator - JPEG-Comment - Heap Overwrite
Vulnerability Center: 7746 - Netscape Communicator Allows Code Execution and DoS via JPG Comment, Medium

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

Entryinfo

Created: 06/25/2014 15:49
Updated: 12/22/2024 12:01
Changes: 06/25/2014 15:49 (56), 05/31/2019 22:43 (10), 12/22/2024 12:01 (19)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!