CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
Percentile
98.7%
Several versions of Check Point Firewall-1 contain a vulnerability that allows remote attackers to execute arbitrary code with administrative privileges.
The HTTP Security Servers component of Check Point Firewall-1 contains an HTTP parsing vulnerability that is triggered by sending an invalid HTTP request through the firewall. When Firewall-1 generates an error message in response to the invalid request, a portion of the input supplied by the attacker is included in the format string for a call to sprintf().
Researchers at Internet Security Systems have determined that it is possible to exploit this format string vulnerability to execute commands on the firewall. The researchers have also determined that this vulnerability can be exploited as a heap overflow, which would allow an attacker to execute arbitrary code. In either case, the commands or code executed by the attacker would run with administrative privileges, typically “SYSTEM” or “root”. For more information, please see the ISS advisory.
This vulnerability allows remote attackers to execute arbitrary code on affected firewalls with administrative privileges, typically “SYSTEM” or “root”.
Apply the patch from Check Point
Check Point has published a “Firewall-1 HTTP Security Server Update” to address this vulnerability. For more information, please see the Check Point bulletin at:
http://www.checkpoint.com/techsupport/alerts/security_server.html
Disable the affected components
Check Point has reported that their products are only affected by this vulnerability if the HTTP Security Servers feature is enabled. Therefore, affected sites may be able to limit their exposure to this vulnerability by disabling HTTP Security Servers.
790771
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Notified: February 02, 2004 Updated: February 06, 2004
Affected
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23790771 Feedback>).
Group | Score | Vector |
---|---|---|
Base | ||
Temporal | ||
Environmental |
This vulnerability was discovered and researched by Mark Dowd of ISS X-Force.
This document was written by Jeffrey P. Lanza.
CVE IDs: | CVE-2004-0039 |
---|---|
Severity Metric: | 17.10 Date Public: |