15623 : Multiple Vendor ICMP Implementation Host-generated ICMP Error Message Authentication Weakness
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Info

Last Modified

7 months ago

Percent Complete

100%

Disclosure

Apr 16, 2005

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Description

Multiple ICMP implementations contains a flaw that may allow a remote attacker to forge ICMP error messages. The problem is that host-generated ICMP error messages do not require authentication, which may allow a remote attacker to forge ICMP error messages resulting in a loss of integrity.

Classification

Location: Remote/Network Access Required
Attack Type: Infrastructure
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

Contact your vendor for an appropriate upgrade. An upgrade is required as there are no known workarounds.

Products

All Vendors

All Products

All Versions

References

Secunia Advisory ID: 16701
CVE ID: 2005-0068 (see also: NVD)
Keyword: blind connection-reset blind throughput-reduction PMTUD
Vendor Specific Advisory URL: ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.36/SCOSA-2005.36.txt
Other Advisory URL: http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html

Tools & Filters

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Credit

Fernando Gont - fernandogont.com.ar -

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