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Debian: DSA-2922-1 Critical: StrongSwan DoS Risk Advisory

A vulnerability has been found in the ASN.1 parser of strongSwan, an IKE/IPsec suite used to establish IPsec protected links. By sending a crafted ID_DER_ASN1_DN ID payload to a vulnerable pluto or . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2922-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Yves-Alexis Perez May 05, 2014 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : strongswan CVE ID : CVE-2014-2891 A vulnerability has been found in the ASN.1 parser of strongSwan, an IKE/IPsec suite used to establish IPsec protected links. By sending a crafted ID_DER_ASN1_DN ID payload to a vulnerable pluto or charon daemon, a malicious remote user can provoke a null pointer dereference in the daemon parsing the identity, leading to a crash and a denial of service. For the oldstable distribution (squeeze), this problem has been fixed in version 4.4.1-5.6. For the stable distribution (wheezy), this problem has been fixed in version 4.5.2-1.5+deb7u4. For the testing distribution (jessie), this problem has been fixed in version 5.1.2-1. For the unstable distribution (sid), this problem has been fixed in version 5.1.2-1. We recommend that you upgrade your strongswan packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Debian has issued an update for the ASN.1 parser issue in strongSwan under DSA-2922-1, vital for reducing potential DoS vulnerabilities, urging users to upgrade their systems. strongswan security,debian advisory,doS attack fix,asn parser issue. . Severity: Critical. LinuxSecurity.com Team

May 05, 2014 •Critical Debian