UBUNTU-CVE-2013-6075

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UBUNTU-CVE-2013-6075

Summary:

Details: The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.

References: https://ubuntu.com/security/CVE-2013-6075, http://www.strongswan.org/blog/2013/11/01/strongswan-denial-of-service-vulnerability-%28cve-2013-6075%29.html, http://www.debian.org/security/2012/dsa-2789, http://download.strongswan.org/security/CVE-2013-6075/strongswan-4.3.3-5.1.0_id_dn_match.patch, https://www.cve.org/CVERecord?id=CVE-2013-6075