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Vigil@nce: neon, two vulnerabilities

August 2009 by

Two vulnerabilities of neon can be used by an attacker to create a
denial of service or to lure the victim.

Severity: 2/4

Consequences: data reading, denial of service of service

Provenance: document

Means of attack: 1 attack

Ability of attacker: technician (2/4)

Confidence: confirmed by the editor (5/5)

Diffusion of the vulnerable configuration: high (3/3)

Number of vulnerabilities in this bulletin: 2

Creation date: 21/08/2009

IMPACTED PRODUCTS

 Fedora
 Mandriva Corporate
 Mandriva Enterprise Server
 Mandriva Linux
 Unix - plateform

DESCRIPTION OF THE VULNERABILITY

The neon library implements HTTP and WebDAV protocols. It is
impacted by two vulnerabilities.

An attacker can construct complex XML data in order to generate a
denial of service in applications linked to neon. This
vulnerability is the same than VIGILANCE-VUL-8761
(https://vigilance.fr/tree/1/8761) which impacts APR. [grav:2/4;
BID-36080, CVE-2009-2473]

An attacker can invite the victim to connect to a SSL site using a
X.509 certificate with a field containing a null character, in
order to deceive the victim. This vulnerability is similar to
VIGILANCE-VUL-8908 (https://vigilance.fr/tree/1/8908), even if the
vulnerable source code is different. [grav:2/4; BID-36079,
CVE-2009-2474]

CHARACTERISTICS

Identifiers: BID-36079, BID-36080, CVE-2009-2473, CVE-2009-2474,
FEDORA-2009-8794, FEDORA-2009-8815, VIGILANCE-VUL-8967

http://vigilance.fr/vulnerability/neon-two-vulnerabilities-8967


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