OpenBSD ICMP6-pakke "mbuf" hukommelses-korrumpering - Advisories

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OpenBSD ICMP6-pakke "mbuf" hukommelses-korrumpering

Secunia Advisory:	SA24490
Udsendt:	2007-03-12
Sidste Opdt.:	2007-03-16

Kritisk:	Meget kritisk
Betydning:	DoS Systemadgang
Hvor:	Fra Internet
Løsning Status:	Producent Patch

OS:	OpenBSD 3.x OpenBSD 4.0


CVE reference:	CVE-2007-1365 (Secunia mirror)

	Want to know the next time vulnerabilities are fixed in this product? - Companies can be alerted via email and SMS!

Beskrivelse: Der er rapporteret en sårbarhed i OpenBSD, som kan udnyttes af ondsindede personer til at kompromittere et sårbart system. Sårbarheden skyldes en fejl i håndteringen af "mbuf" i ICMP6-pakker. Dette kan udnyttes til at korrumpere hukommelsen og derved forårsage en kernel panic eller eksekvere vilkårlig kode med kernel-rettigheder. Succesfuld udnyttelse forudsætter, at det er muligt at sende fragmenterede ICMPv6-pakker til systemet. Sårbarheden er rapporteret i version 3.1 til og med 4.0. Andre versioner kan også være berørte. Løsning: Installér patches. OpenBSD 3.9: ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/020_m_dup1.patch OpenBSD 4.0: ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.0/common/010_m_dup1.patch Rapporteret af / Kredit: Alfredo Ortega, Core Security Technologies. Forløb: 14-03-2007: Tilføjede CVE-reference. Tilføjede ny information fra Core Security. 16-03-2007: Tilføjede link til US-CERT. Original Advisory: OpenBSD: http://www.openbsd.org/errata40.html#m_dup1 Core Security: http://www.coresecurity.com/index.php...ontentMod&action=item&id=1703 Andre Kilder: US-CERT VU#986425: http://www.kb.cert.org/vuls/id/986425



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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