medium
4.3
CWE
200
Advisory Published
CVE Published
Updated

CVE-2010-0434: Infoleak

First published: Wed Dec 09 2009(Updated: )

The ap_read_request function in server/protocol.c in the Apache HTTP Server 2.2.x before 2.2.15, when a multithreaded MPM is used, does not properly handle headers in subrequests in certain circumstances involving a parent request that has a body, which might allow remote attackers to obtain sensitive information via a crafted request that triggers access to memory locations associated with an earlier request.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/httpd22<0:2.2.14-11.jdk6.ep5.el4
0:2.2.14-11.jdk6.ep5.el4
redhat/pcsc-lite<0:1.3.3-3.el4
0:1.3.3-3.el4
redhat/rhpki-ca<0:7.3.0-20.el4
0:7.3.0-20.el4
redhat/rhpki-java-tools<0:7.3.0-10.el4
0:7.3.0-10.el4
redhat/rhpki-kra<0:7.3.0-14.el4
0:7.3.0-14.el4
redhat/rhpki-manage<0:7.3.0-19.el4
0:7.3.0-19.el4
redhat/rhpki-native-tools<0:7.3.0-6.el4
0:7.3.0-6.el4
redhat/rhpki-ocsp<0:7.3.0-13.el4
0:7.3.0-13.el4
redhat/rhpki-tks<0:7.3.0-13.el4
0:7.3.0-13.el4
redhat/httpd<0:2.2.3-31.el5_4.4
0:2.2.3-31.el5_4.4
redhat/httpd<0:2.2.14-1.2.6.jdk6.ep5.el5
0:2.2.14-1.2.6.jdk6.ep5.el5
Apache Http Server>=2.0.35<2.0.64
Apache Http Server>=2.2.0<2.2.15
Fedora=11
Fedora=13
Debian=5.0
Debian=6.0

Remedy

http://httpd.apache.org/security/vulnerabilities_22.html

Remedy

http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/server/protocol.c?r1=917617&r2=917867&pathrev=917867&diff_format=h

Remedy

http://svn.apache.org/viewvc?view=revision&revision=917867

Remedy

http://svn.apache.org/viewvc?view=revision&revision=918427

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2010-0434?

    CVE-2010-0434 has a moderate severity rating as it can potentially allow remote attackers to access sensitive data under certain conditions.

  • How do I fix CVE-2010-0434?

    To fix CVE-2010-0434, upgrade Apache HTTP Server to version 2.2.15 or later.

  • Which versions of Apache HTTP Server are affected by CVE-2010-0434?

    Apache HTTP Server versions 2.2.0 through 2.2.14 are affected by CVE-2010-0434.

  • Are any other software packages affected by CVE-2010-0434?

    Yes, CVE-2010-0434 may also affect some Red Hat packages including httpd22, pcsc-lite, and others as listed.

  • What does CVE-2010-0434 exploit?

    CVE-2010-0434 exploits improper handling of headers in subrequests when a multithreaded MPM is used in Apache HTTP Server.

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