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Check Point Firewall/VPN ISAKMP IKE Message Processing Denial of Service
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Secunia Advisory:
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SA17621
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Release Date:
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2005-11-17
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Last Update:
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2005-11-21
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Partial Fix
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| OS: | Check Point VPN-1/FireWall-1 NGX
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| | Software: | Check Point Express CI
Check Point FireWall-1 GX 3.x
Check Point VPN-1/Firewall-1 NG
Check Point VPN-1/FireWall-1 NG with Application Intelligence (AI)
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Description:
A vulnerability has been reported in Check Point VPN-1/Firewall-1, which can be exploited by malicious users to cause a DoS (Denial of Service).
For more information:
SA17553
Successful exploitation reportedly requires that the attacker is able to perform a full IKE negotiation with the affected system and requires authentication.
The vulnerability has been reported in the following versions.
* VPN-1/Firewall-1 NG with AI R54 prior to HFA_417.
* VPN-1/Firewall-1 NG with AI R55 prior to HFA_16.
* VPN-1/Firewall-1 NG with AI R55W prior to HFA_04.
* VPN-1/Firewall-1 NG with AI R55P prior to HFA_06.
* VPN-1 Pro NGX R60 prior to HFA_01.
* Check Point Express CI R57.
* Firewall-1 GX 3.0.
Solution:
Install the latest HFA (HotFix Accumulator).
http://www.checkpoint.com/techsupport/hfa.html
The vendor reportedly will release hotfixes for Check Point Express CI and Firewall-1 GX 3.0 at a later date.
Note: Check Point versions prior to NG with AI R54 e.g. versions 4.1, NG, NG FP1, NG FP2 and NG FP3 are not vulnerable. The vulnerability also does not affect VPN-1 VSX, Provider-1, InterSpect, Connectra, VPN-1 Edge and the safe@ product line.
Changelog:
2005-11-21: Updated "Description", "Solution" and "Original Advisory" sections.
Original Advisory:
https://secureknowledge.us.checkpoint...riginalAction=solution&id=sk31316
Other References:
SA17553:
http://secunia.com/advisories/17553/
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3. Check Point Firewall CIFS Service Group Rule Bypass
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4. Check Point Firewall-1 NG SmartDefense RFC2397 Bypass Weakness
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5. Check Point VPN-1 ASN.1 Decoding Heap Overflow Vulnerability
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6. Check Point VPN-1 Products ISAKMP Buffer Overflow Vulnerability
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7. Check Point Products OpenSSL Vulnerabilities
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9. Check Point FireWall-1 H.323 Protocol Implementation Vulnerabilities
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