var-200901-0056
Vulnerability from variot
Check Point VPN-1 R55, R65, and other versions, when Port Address Translation (PAT) is used, allows remote attackers to discover intranet IP addresses via a packet with a small TTL, which triggers an ICMP_TIMXCEED_INTRANS (aka ICMP time exceeded in-transit) response containing an encapsulated IP packet with an intranet address, as demonstrated by a TCP packet to the firewall management server on port 18264. Check Point VPN-1 is prone to an information-disclosure weakness. An attacker can exploit this issue to learn the IP of devices on the internal network. This may aid in further attacks. ----------------------------------------------------------------------
Did you know that a change in our assessment rating, exploit code availability, or if an updated patch is released by the vendor, is not part of this mailing-list?
Click here to learn more: http://secunia.com/advisories/business_solutions/
TITLE: Checkpoint VPN-1 Information Disclosure Vulnerability
SECUNIA ADVISORY ID: SA32728
VERIFY ADVISORY: http://secunia.com/advisories/32728/
CRITICAL: Not critical
IMPACT: Exposure of system information
WHERE:
From remote
SOFTWARE: Check Point VPN-1/FireWall-1 NGX http://secunia.com/advisories/product/6010/ Check Point VPN-1 UTM NGX http://secunia.com/advisories/product/13346/ Check Point VPN-1 Power NGX http://secunia.com/advisories/product/13348/
DESCRIPTION: Tim Brown and Mark Lowe have reported a vulnerability in Checkpoint VPN-1 products, which can be exploited by malicious people to disclose certain system information.
The vulnerability is caused due to an error in the port address translation (PAT) feature when responding with ICMP time exceeded messages. This can be exploited to disclose e.g.
SOLUTION: The vendor recommends to block ICMP errors.
PROVIDED AND/OR DISCOVERED BY: Tim Brown and Mark Lowe, Portcullis Computer Security
ORIGINAL ADVISORY: CheckPoint (Solution ID: sk36321): https://supportcenter.checkpoint.com/supportcenter/index.jsp
Portcullis Computer Security: http://www.portcullis.co.uk/293.php
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.