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Bug 986521 - (CVE-2013-4158) CVE-2013-4158 smokeping: XSS flaw (incomplete fix for CVE-2012-0790)
CVE-2013-4158 smokeping: XSS flaw (incomplete fix for CVE-2012-0790)
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20130720,repor...
: Security
Depends On: 986522
Blocks:
  Show dependency treegraph
 
Reported: 2013-07-20 02:33 EDT by Kurt Seifried
Modified: 2016-03-04 07:09 EST (History)
2 users (show)

See Also:
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Doc Type: Bug Fix
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RHEL 7.3 requirements from Atomic Host:


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Description Kurt Seifried 2013-07-20 02:33:14 EDT
Seth Arnold (seth.arnold@canonical.com) reports:

Hello Kurt, Steve, all,

I am requesting a 2012 CVE for an incomplete security fix in smokeping,
fixed in version 2.6.9.

CVE-2012-0790 was assigned to smokeping for XSS flaws.

The fix for CVE-2012-0790 in smokeping 2.6.7 was incomplete. The
filtering used this blacklist:

    $mode =~ s/[<>&%]/./g;

The version in 2.6.9 uses the following blacklist:

    my $xssBadRx = qr/[<>%&'";]/;

(', ", and ; have been added. When it is used, blacklist chars are now
turned to _ rather than . ) The 2.6.9 version prevents escaping <html
attribute="..."> via " characters.

The incomplete fix is in 2.6.7 and 2.6.8.

This flaw was discovered by Florian Weimer [1] in 2012 and brought to
our attention [2] in 2013.

The upstream CHANGES [3] file includes, in part:

--------------------------------------------------

2013/03/04 - released version 2.6.9

*  be more careful about preventing xss attacks, re http://bugs.debian.org/659899 (tobi)

--------------------------------------------------

I have not found an up-to-date online browsable source.

Thanks

1: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659899#37
2: https://bugs.launchpad.net/ubuntu/+source/smokeping/+bug/1203061
3: http://oss.oetiker.ch/smokeping/pub/CHANGES
Comment 1 Kurt Seifried 2013-07-20 02:33:55 EDT
Created smokeping tracking bugs for this issue:

Affects: fedora-all [bug 986522]
Comment 2 Fedora Update System 2013-08-14 22:45:10 EDT
smokeping-2.6.9-1.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2013-08-14 22:49:17 EDT
smokeping-2.6.9-1.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

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