CVE-2005-0068

Description

The original design of ICMP does not require authentication for host-generated ICMP error messages, which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with forged "Destination Unreachable" messages, (2) blind throughput-reduction attacks with forged "Source Quench" messages, or (3) blind throughput-reduction attacks with forged ICMP messages that cause the Path MTU to be reduced. NOTE: CVE-2004-0790, CVE-2004-0791, and CVE-2004-1060 have been SPLIT based on different attacks; CVE-2005-0065, CVE-2005-0066, CVE-2005-0067, and CVE-2005-0068 are related identifiers that are SPLIT based on the underlying vulnerability. While CVE normally SPLITs based on vulnerability, the attack-based identifiers exist due to the variety and number of affected implementations and solutions that address the attacks instead of the underlying vulnerabilities.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.77% Top 30%

Vendor Advisory com.ar

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/13124	vdb entry
http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2005-0068?: CVE-2005-0068 has been scored as a medium severity vulnerability.
How to fix CVE-2005-0068?: To fix CVE-2005-0068, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2005-0068 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2005-0068 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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