Bug 520454 (CVE-2009-3490) - CVE-2009-3490 wget: incorrect verification of SSL certificate with NUL in name
Summary: CVE-2009-3490 wget: incorrect verification of SSL certificate with NUL in name
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2009-3490
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 527660 527661 527662 527663 527664 527667 802808
Blocks:
TreeView+ depends on / blocked
 
Reported: 2009-08-31 14:48 UTC by Tomas Hoger
Modified: 2019-09-29 12:31 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2010-02-10 07:14:55 UTC
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2009:1549 0 normal SHIPPED_LIVE Moderate: wget security update 2009-11-03 20:06:18 UTC

Description Tomas Hoger 2009-08-31 14:48:13 UTC
A method to bypass SSL certificate name vs. host name verification via NUL
('\0') character embedded in X509 certificate's CommonName or subjectAltName
was presented at Black Hat USA 2009:

http://www.blackhat.com/html/bh-usa-09/bh-usa-09-archives.html#Marlinspike

Similar problem affected wget (from a testing and very quick look at the code, subjectAltNames are not supported, hence only CommonName is a vector).

Upstream bug report:
http://savannah.gnu.org/bugs/?27183 (currently not public)

Contents of upstream bug report, leaked via wget-notify list:
http://addictivecode.org/pipermail/wget-notify/2009-August/001808.html

Upstream fixes:
http://hg.addictivecode.org/wget/mainline/rev/2d8c76a23e7d
http://hg.addictivecode.org/wget/mainline/rev/f2d2ca32fd1b
http://hg.addictivecode.org/wget/mainline/rev/1eab157d3be7

Comment 2 Tomas Hoger 2009-09-23 09:01:34 UTC
wget 1.12 was released including this fix:
  http://permalink.gmane.org/gmane.comp.web.wget.general/8972

Comment 12 errata-xmlrpc 2009-11-03 20:06:23 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 3
  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 4

Via RHSA-2009:1549 https://rhn.redhat.com/errata/RHSA-2009-1549.html

Comment 13 Fedora Update System 2009-11-17 13:31:17 UTC
wget-1.12-1.fc11 has been submitted as an update for Fedora 11.
http://admin.fedoraproject.org/updates/wget-1.12-1.fc11

Comment 14 Fedora Update System 2009-11-17 13:31:22 UTC
wget-1.12-1.fc12 has been submitted as an update for Fedora 12.
http://admin.fedoraproject.org/updates/wget-1.12-1.fc12

Comment 15 Fedora Update System 2009-11-17 13:31:27 UTC
wget-1.12-1.fc10 has been submitted as an update for Fedora 10.
http://admin.fedoraproject.org/updates/wget-1.12-1.fc10

Comment 16 Fedora Update System 2009-11-18 16:21:11 UTC
wget-1.12-2.fc12 has been submitted as an update for Fedora 12.
http://admin.fedoraproject.org/updates/wget-1.12-2.fc12

Comment 17 Fedora Update System 2009-12-03 04:56:10 UTC
wget-1.12-2.fc12 has been pushed to the Fedora 12 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 18 Fedora Update System 2009-12-03 04:56:29 UTC
wget-1.12-2.fc11 has been pushed to the Fedora 11 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 19 Fedora Update System 2009-12-03 05:12:03 UTC
wget-1.12-2.fc10 has been pushed to the Fedora 10 stable repository.  If problems still persist, please make note of it in this bug report.


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