medium
4.3
CWE
20
Advisory Published
CVE Published
Updated

CVE-2011-3639: Input Validation

First published: Tue Nov 08 2011(Updated: )

SUSE reported that upstream patch for <a href="https://access.redhat.com/security/cve/CVE-2011-3368">CVE-2011-3368</a> (<a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - CVE-2011-3368 httpd: reverse web proxy vulnerability" href="show_bug.cgi?id=740045">bug #740045</a>), when applied to httpd versions before 2.2.18, does not completely address the issue, when attacker sends HTTP 0.9 requests:: <a href="https://bugzilla.novell.com/show_bug.cgi?id=722545#c15">https://bugzilla.novell.com/show_bug.cgi?id=722545#c15</a> <a href="http://thread.gmane.org/gmane.comp.apache.devel/45978">http://thread.gmane.org/gmane.comp.apache.devel/45978</a> <a href="http://thread.gmane.org/gmane.comp.security.oss.general/6102">http://thread.gmane.org/gmane.comp.security.oss.general/6102</a> The fix has been created upstream and committed to trunk: <a href="http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45979">http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45979</a> <a href="http://svn.apache.org/viewvc?view=revision&amp;revision=1188745">http://svn.apache.org/viewvc?view=revision&amp;revision=1188745</a> Upstream also confirmed this additional fix is not required for httpd versions 2.2.18 and later: <a href="http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45983">http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45983</a> <a href="http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45985">http://thread.gmane.org/gmane.comp.apache.devel/45978/focus=45985</a>

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Apache HTTP Server=2.0.11
Apache HTTP Server=2.0.12
Apache HTTP Server=2.0.13
Apache HTTP Server=2.0.14
Apache HTTP Server=2.0.15
Apache HTTP Server=2.0.16
Apache HTTP Server=2.0.17
Apache HTTP Server=2.0.18
Apache HTTP Server=2.0.19
Apache HTTP Server=2.0.20
Apache HTTP Server=2.0.21
Apache HTTP Server=2.0.22
Apache HTTP Server=2.0.23
Apache HTTP Server=2.0.24
Apache HTTP Server=2.0.25
Apache HTTP Server=2.0.26
Apache HTTP Server=2.0.27
Apache HTTP Server=2.0.28
Apache HTTP Server=2.0.29
Apache HTTP Server=2.0.30
Apache HTTP Server=2.0.31
Apache HTTP Server=2.0.32
Apache HTTP Server=2.0.33
Apache HTTP Server=2.0.34
Apache HTTP Server=2.0.35
Apache HTTP Server=2.0.36
Apache HTTP Server=2.0.37
Apache HTTP Server=2.0.38
Apache HTTP Server=2.0.39
Apache HTTP Server=2.0.40
Apache HTTP Server=2.0.41
Apache HTTP Server=2.0.42
Apache HTTP Server=2.0.43
Apache HTTP Server=2.0.44
Apache HTTP Server=2.0.45
Apache HTTP Server=2.0.46
Apache HTTP Server=2.0.47
Apache HTTP Server=2.0.48
Apache HTTP Server=2.0.49
Apache HTTP Server=2.0.50
Apache HTTP Server=2.0.51
Apache HTTP Server=2.0.52
Apache HTTP Server=2.0.53
Apache HTTP Server=2.0.54
Apache HTTP Server=2.0.55
Apache HTTP Server=2.0.56
Apache HTTP Server=2.0.57
Apache HTTP Server=2.0.58
Apache HTTP Server=2.0.59
Apache HTTP Server=2.0.61
Apache HTTP Server=2.0.63
Apache HTTP Server=2.2.0
Apache HTTP Server=2.2.1
Apache HTTP Server=2.2.2
Apache HTTP Server=2.2.3
Apache HTTP Server=2.2.4
Apache HTTP Server=2.2.6
Apache HTTP Server=2.2.8
Apache HTTP Server=2.2.9
Apache HTTP Server=2.2.10
Apache HTTP Server=2.2.11
Apache HTTP Server=2.2.12
Apache HTTP Server=2.2.13
Apache HTTP Server=2.2.14
Apache HTTP Server=2.2.15
Apache HTTP Server=2.2.16
Apache HTTP Server=2.2.17
Apache HTTP Server
Apache HTTP Server
Apache HTTP Server
Apache HTTP Server
Apache HTTP Server
Apache Http Server
Apache HTTP Server
Apache HTTP Server
Apache HTTP Server

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3639?

    The severity of CVE-2011-3639 is classified as moderate.

  • How do I fix CVE-2011-3639?

    To fix CVE-2011-3639, upgrade to a version of Apache HTTP Server that is not affected, specifically versions greater than 2.2.11.

  • Which versions of Apache HTTP Server are affected by CVE-2011-3639?

    CVE-2011-3639 affects Apache HTTP Server versions 2.0.11 through 2.2.11.

  • What type of vulnerability is CVE-2011-3639?

    CVE-2011-3639 is an integer overflow vulnerability in Apache HTTP Server.

  • Is there a patch available for CVE-2011-3639?

    Yes, a patch for CVE-2011-3639 is available as part of Apache HTTP Server's updates.

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