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Squid FQDN Lookup Denial of Service Vulnerability
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Secunia Advisory:
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SA14271
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Release Date:
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2005-02-14
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Last Update:
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2005-02-18
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Popularity:
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12,009 views
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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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Vendor Patch
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| Software: | Squid 2.x
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2005-0446
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Description:
A vulnerability has been reported in Squid, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an assertion error when performing FQDN lookups and can be exploited to crash Squid by returning a specially crafted DNS response.
The vulnerability has been reported in Squid-2.5.STABLE5 through 2.5.STABLE8.
NOTE: The risk is reportedly reduced with "log_fqdn off" (default setting).
Solution:
Apply patch for 2.5.STABLE8:
http://www.squid-cache.org/Versions/v...gs/squid-2.5.STABLE8-dns_assert.patch
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-02-18: Added CVE reference.
Original Advisory:
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE8-dns_assert
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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