lighttpd Authentication Decoding Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1026359 |
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SecurityTracker URL: http://securitytracker.com/id/1026359
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CVE Reference:
CVE-2011-4362
(Links to External Site)
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Date: Nov 30 2011
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): 1.4.29 and prior versions
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Description:
A vulnerability was reported in lighttpd. A remote user can cause denial of service conditions.
A remote user can send specially crafted authentication characters to trigger an out-of-bounds memory read and cause the target service to crash.
Non ASCII characters above 0x7f can trigger this flaw.
The vulnerability resides in 'src/http_auth.c'.
Xi Wang reported this vulnerability.
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Impact:
A remote user can cause the target service to crash.
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Solution:
The vendor has issued a source code fix ('src/http_auth.c'; svn revision 2806).
The vendor's advisory is available at:
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
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Vendor URL: download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt (Links to External Site)
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Cause:
Access control error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: Wed, 30 Nov 2011 21:02:40 +0000
Subject: lighttpd
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http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
CVE-2011-4362
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