JSCAPE Secure FTP Applet certificate spoofing
| jscape-certificate-spoofing (43300) |  Medium Risk |
Description:
JSCAPE Secure FTP Applet could allow a remote attacker to spoof valid servers, caused by improper verification of certificates when a secure session is initiated. An attacker could exploit this vulnerability using man-in-the-middle techniques to spoof certificates and redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain sensitive information that could be used to launch further attacks against the victim's system.
Platforms Affected:
- JSCAPE, JSCAPE Secure FTP Applet 4.0
- JSCAPE, JSCAPE Secure FTP Applet 4.2.0
- JSCAPE, JSCAPE Secure FTP Applet 4.3.0
- JSCAPE, JSCAPE Secure FTP Applet 4.4.0
- JSCAPE, JSCAPE Secure FTP Applet 4.5.0
- JSCAPE, JSCAPE Secure FTP Applet 4.6.0
- JSCAPE, JSCAPE Secure FTP Applet 4.7
- JSCAPE, JSCAPE Secure FTP Applet 4.8.0
Remedy:
Upgrade to the latest version of JSCAPE Secure FTP Applet (4.9.0 or later), available from the JSCAPE Web site. See References.
Consequences:
Gain Access
References:
- Full-Disclosure Mailing List, Mon Jun 23 2008 - 07:46:42 CDT, n.runs-SA-2008.001 - Jscape Secure FTP Applet at http://archives.neohapsis.com/archives/fulldisclosure/2008-06/0322.html.
- JSCAPE Web site, Secure FTP Applet at http://www.jscape.com/sftpapplet/index.html.
- n.runs-SA-2008.001, JSCAPE insecure SSH Host key verification at http://www.nruns.com/security_advisory_jscape.php.
- BID-29882: JSCAPE Secure FTP Applet Host Key Validation Security Bypass Vulnerability
- CVE-2008-5124: JSCAPE Secure FTP Applet 4.8.0 and earlier does not ask the user to verify a new or mismatched SSH host key, which makes it easier for remote attackers to perform man-in-the-middle attacks.
- SA30822: JSCAPE Secure FTP Applet Host Key Verification Security Issue
- SECTRACK ID: 1020346: Secure FTP Applet Does Not Verify SSH Server Host Keys
Reported:
Jun 23, 2008
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