Opera kfmclient exec command execution

opera-kfmclient-command-execution (18457) The risk level is classified as HighHigh Risk

Description:

Opera is a Web browser developed by Opera Software for multiple operating systems. Opera version 7.54 running on Linux operating systems could allow a remote attacker to execute arbitrary code. A remote attacker could create a specially-crafted file, which would be executed by the kfmclient exec command, once the file is opened. An attacker could exploit this vulnerability by hosting the malicious file on a Web page or by sending it to the victim a malicious HTML email.

Note: This vulnerability only exists if "kfmclient exec" is the application assigned for saving files, which is the default setting.

Platforms Affected:

  • Gentoo, Linux
  • Opera, Opera 7.54

Remedy:

For Gentoo Linux (Opera):
Refer to Gentoo Linux Security Announcement GLSA 2005-02-17 for patch, upgrade, or suggested workaround information. See References.

Consequences:

Gain Access

References:

  • Opera Download Web page, Download Opera Web browser at http://www.opera.com/download/.
  • Zone-H Security Advisory ZH2004-19SA, Possible execution of remote shell commands in Opera with kfmclient. at http://www.zone-h.org/advisories/read/id=6503.
  • BID-11901: Opera Web Browser KDE KFMCLIENT Remote Command Execution Vulnerability
  • CVE-2004-1491: Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry.
  • GLSA-200502-17: Opera: Multiple vulnerabilities
  • SA13447: Opera Default Application "kfmclient exec" Security Issue
  • SUSE-SR:2005:008: SUSE Security Summary Report

Reported:

Dec 12, 2004

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