Test ID:	1.3.6.1.4.1.25623.1.0.61489
Category:	Ubuntu Local Security Checks
Title:	Ubuntu USN-612-4 (ssl-cert)
Summary:	NOSUMMARY
Description:	Description: The remote host is missing an update to ssl-cert announced via advisory USN-612-4. A security issue affects the following Ubuntu releases: Ubuntu 7.04 Ubuntu 7.10 Ubuntu 8.04 LTS This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. Details follow: USN-612-1 fixed vulnerabilities in openssl. This update provides the corresponding updates for ssl-cert -- potentially compromised snake-oil SSL certificates will be regenerated. Original advisory details: A weakness has been discovered in the random number generator used by OpenSSL on Debian and Ubuntu systems. As a result of this weakness, certain encryption keys are much more common than they should be, such that an attacker could guess the key through a brute-force attack given minimal knowledge of the system. This particularly affects the use of encryption keys in OpenSSH, OpenVPN and SSL certificates. This vulnerability only affects operating systems which (like Ubuntu) are based on Debian. However, other systems can be indirectly affected if weak keys are imported into them. We consider this an extremely serious vulnerability, and urge all users to act immediately to secure their systems. (CVE-2008-0166) == Who is affected == Systems which are running any of the following releases: * Ubuntu 7.04 (Feisty) * Ubuntu 7.10 (Gutsy) * Ubuntu 8.04 LTS (Hardy) * Ubuntu Intrepid Ibex (development): libssl * Debian 4.0 (etch) (see corresponding Debian security advisory) and have openssh-server installed or have been used to create an OpenSSH key or X.509 (SSL) certificate. All OpenSSH and X.509 keys generated on such systems must be considered untrustworthy, regardless of the system on which they are used, even after the update has been applied. This includes the automatically generated host keys used by OpenSSH, which are the basis for its server spoofing and man-in-the-middle protection. Solution: The problem can be corrected by upgrading your system to the following package versions: Ubuntu 7.04: ssl-cert 1.0.13-0ubuntu0.7.04.1 Ubuntu 7.10: ssl-cert 1.0.14-0ubuntu0.7.10.1 Ubuntu 8.04 LTS: ssl-cert 1.0.14-0ubuntu2.1 In general, a standard system upgrade is sufficient to effect the necessary changes. http://www.securityspace.com/smysecure/catid.html?in=USN-612-4 CVE-2008-0166, http://www.ubuntu.com/usn/usn-612-1 Risk factor : High CVSS Score: 7.8
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2008-0166 BugTraq ID: 29179 http://www.securityfocus.com/bid/29179 Bugtraq: 20080515 Debian generated SSH-Keys working exploit (Google Search) http://www.securityfocus.com/archive/1/492112/100/0/threaded Cert/CC Advisory: TA08-137A http://www.us-cert.gov/cas/techalerts/TA08-137A.html CERT/CC vulnerability note: VU#925211 http://www.kb.cert.org/vuls/id/925211 Debian Security Information: DSA-1571 (Google Search) http://www.debian.org/security/2008/dsa-1571 Debian Security Information: DSA-1576 (Google Search) http://www.debian.org/security/2008/dsa-1576 https://www.exploit-db.com/exploits/5622 https://www.exploit-db.com/exploits/5632 https://www.exploit-db.com/exploits/5720 http://metasploit.com/users/hdm/tools/debian-openssl/ https://16years.secvuln.info https://news.ycombinator.com/item?id=40333169 http://sourceforge.net/mailarchive/forum.php?thread_name=48367252.7070603%40shemesh.biz&forum_name=rsyncrypto-devel http://www.securitytracker.com/id?1020017 http://secunia.com/advisories/30136 http://secunia.com/advisories/30220 http://secunia.com/advisories/30221 http://secunia.com/advisories/30231 http://secunia.com/advisories/30239 http://secunia.com/advisories/30249 http://www.ubuntu.com/usn/usn-612-1 http://www.ubuntu.com/usn/usn-612-2 http://www.ubuntu.com/usn/usn-612-3 http://www.ubuntu.com/usn/usn-612-4 http://www.ubuntu.com/usn/usn-612-7 XForce ISS Database: openssl-rng-weak-security(42375) https://exchange.xforce.ibmcloud.com/vulnerabilities/42375
Copyright	Copyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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