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Vigil@nce: lighttpd, several vulnerabilities

October 2008 by Vigil@nce

Several vulnerabilities of lighttpd can be used by an attacker to
create a denial of service or to obtain information.

 Gravity: 2/4
 Consequences: data reading, denial of service of service
 Provenance: internet client
 Means of attack: no proof of concept, no attack
 Ability of attacker: expert (4/4)
 Confidence: confirmed by the editor (5/5)
 Diffusion of the vulnerable configuration: high (3/3)
 Number of vulnerabilities in this bulletin: 3
 Creation date: 07/10/2008

IMPACTED PRODUCTS

 Debian Linux
 Unix - plateform

DESCRIPTION

The lighttpd program is a web server. It has several
vulnerabilities.

A memory leak of http_request_parse() can lead to a denial of
service. [grav:2/4; CVE-2008-4298, lighttpd_sa_2008_07]

When url are rewritten, checks are inconsistents, which can be
used by an attacker to access to server resources. [grav:2/4;
BID-31599, CVE-2008-4359, lighttpd_sa_2008_05]

The mod_userdir module incorrectly handles the case of names on
filesytems which are case-insensitive. [grav:1/4; BID-31600,
CVE-2008-4360, lighttpd_sa_2008_06]

CHARACTERISTICS

 Identifiers: BID-31599, BID-31600, CVE-2008-4298, CVE-2008-4359,
CVE-2008-4360, DSA-1645-1, lighttpd_sa_2008_05,
lighttpd_sa_2008_06, lighttpd_sa_2008_07, VIGILANCE-VUL-8152
 Url: http://vigilance.aql.fr/vulnerability/8152


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