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Test ID:1.3.6.1.4.1.25623.1.0.60674
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-596-1 (ruby1.8)
Summary:Ubuntu USN-596-1 (ruby1.8)
Description:
The remote host is missing an update to ruby1.8
announced via advisory USN-596-1.

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

Details follow:

Chris Clark discovered that Ruby's HTTPS module did not check for
commonName mismatches early enough during SSL negotiation. If a remote
attacker were able to perform man-in-the-middle attacks, this flaw could
be exploited to view sensitive information in HTTPS requests coming from
Ruby applications. (CVE-2007-5162)

It was discovered that Ruby's FTPTLS, telnets, and IMAPS modules
did not check the commonName when performing SSL certificate checks.
If a remote attacker were able to perform man-in-the-middle attacks,
this flaw could be exploited to eavesdrop on encrypted communications
from Ruby applications using these protocols. (CVE-2007-5770)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.06 LTS:
libopenssl-ruby1.8 1.8.4-1ubuntu1.4
libruby1.8 1.8.4-1ubuntu1.4

Ubuntu 6.10:
libopenssl-ruby1.8 1.8.4-5ubuntu1.3
libruby1.8 1.8.4-5ubuntu1.3

Ubuntu 7.04:
libopenssl-ruby1.8 1.8.5-4ubuntu2.1
libruby1.8 1.8.5-4ubuntu2.1

Ubuntu 7.10:
libopenssl-ruby1.8 1.8.6.36-1ubuntu3.1
libruby1.8 1.8.6.36-1ubuntu3.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-596-1

Risk factor : Medium
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2007-5162
Bugtraq: 20070927 Ruby Net::HTTPS library does not validate server certificate CN (Google Search)
http://www.securityfocus.com/archive/1/archive/1/480987/100/0/threaded
Bugtraq: 20071112 FLEA-2007-0068-1 ruby (Google Search)
http://www.securityfocus.com/archive/1/archive/1/483577/100/0/threaded
http://www.isecpartners.com/advisories/2007-006-rubyssl.txt
https://bugzilla.redhat.com/show_bug.cgi?id=313791
Debian Security Information: DSA-1410 (Google Search)
http://www.debian.org/security/2007/dsa-1410
Debian Security Information: DSA-1411 (Google Search)
http://www.debian.org/security/2007/dsa-1411
Debian Security Information: DSA-1412 (Google Search)
http://www.debian.org/security/2007/dsa-1412
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00097.html
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00087.html
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00391.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:029
http://www.redhat.com/support/errata/RHSA-2007-0961.html
http://www.redhat.com/support/errata/RHSA-2007-0965.html
SuSE Security Announcement: SUSE-SR:2007:024 (Google Search)
http://www.novell.com/linux/security/advisories/2007_24_sr.html
http://www.ubuntu.com/usn/usn-596-1
BugTraq ID: 25847
http://www.securityfocus.com/bid/25847
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10738
http://www.vupen.com/english/advisories/2007/3340
http://secunia.com/advisories/26985
http://secunia.com/advisories/27044
http://secunia.com/advisories/27432
http://secunia.com/advisories/27576
http://secunia.com/advisories/27673
http://secunia.com/advisories/27764
http://secunia.com/advisories/27769
http://secunia.com/advisories/27818
http://secunia.com/advisories/27756
http://secunia.com/advisories/28645
http://secunia.com/advisories/29556
http://securityreason.com/securityalert/3180
XForce ISS Database: ruby-nethttps-mitm(36861)
http://xforce.iss.net/xforce/xfdb/36861
Common Vulnerability Exposure (CVE) ID: CVE-2007-5770
https://bugzilla.redhat.com/show_bug.cgi?id=362081
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
Cert/CC Advisory: TA07-352A
http://www.us-cert.gov/cas/techalerts/TA07-352A.html
BugTraq ID: 26421
http://www.securityfocus.com/bid/26421
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11025
http://www.vupen.com/english/advisories/2007/4238
http://www.securitytracker.com/id?1018938
http://secunia.com/advisories/28136
CopyrightCopyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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