CVE-2006-4339

    Dashboard / Vulnerabilities / CVE-2006-4339

    CVE-2006-4339

    Published: 5 Sept 2006Last Modified: 10 Apr 2026

    Summary:

    Details: OpenSSL before 0.9.7, 0.9.7 before 0.9.7k, and 0.9.8 before 0.9.8c, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents OpenSSL from correctly verifying X.509 and other certificates that use PKCS #1.

    References: ftp://patches.sgi.com/support/free/security/advisories/20060901-01-P.asc, http://dev2dev.bea.com/pub/advisory/238, http://secunia.com/advisories/21709, http://secunia.com/advisories/21767, http://secunia.com/advisories/21776, http://secunia.com/advisories/21778, http://secunia.com/advisories/21785, http://secunia.com/advisories/21791, http://secunia.com/advisories/21812, http://secunia.com/advisories/21823, http://secunia.com/advisories/21846, http://secunia.com/advisories/21852, http://secunia.com/advisories/21870, http://secunia.com/advisories/21873, http://secunia.com/advisories/21906, http://secunia.com/advisories/21927, http://secunia.com/advisories/21930, http://secunia.com/advisories/21982, http://secunia.com/advisories/22036, http://secunia.com/advisories/22044, http://secunia.com/advisories/22066, http://secunia.com/advisories/22161, http://secunia.com/advisories/22226, http://secunia.com/advisories/22232, http://secunia.com/advisories/22259, http://secunia.com/advisories/22260, http://secunia.com/advisories/22284, http://secunia.com/advisories/22325, http://secunia.com/advisories/22446, http://secunia.com/advisories/22509, http://secunia.com/advisories/22513, http://secunia.com/advisories/22523, http://secunia.com/advisories/22545, http://secunia.com/advisories/22585, http://secunia.com/advisories/22671, http://secunia.com/advisories/22689, http://secunia.com/advisories/22711, http://secunia.com/advisories/22733, http://secunia.com/advisories/22758, http://secunia.com/advisories/22799, http://secunia.com/advisories/22932, http://secunia.com/advisories/22934, http://secunia.com/advisories/22936, http://secunia.com/advisories/22937, http://secunia.com/advisories/22938, http://secunia.com/advisories/22939, http://secunia.com/advisories/22940, http://secunia.com/advisories/22948, http://secunia.com/advisories/22949, http://secunia.com/advisories/23155, http://secunia.com/advisories/23455, http://secunia.com/advisories/23680, http://secunia.com/advisories/23794, http://secunia.com/advisories/23841, http://secunia.com/advisories/23915, http://secunia.com/advisories/24099, http://secunia.com/advisories/24930, http://secunia.com/advisories/24950, http://secunia.com/advisories/25284, http://secunia.com/advisories/25399, http://secunia.com/advisories/25649, http://secunia.com/advisories/26329, http://secunia.com/advisories/26893, http://secunia.com/advisories/28115, http://secunia.com/advisories/31492, http://secunia.com/advisories/38567, http://secunia.com/advisories/38568, http://secunia.com/advisories/41818, http://secunia.com/advisories/60799, http://security.freebsd.org/advisories/FreeBSD-SA-06:19.openssl.asc, http://security.gentoo.org/glsa/glsa-200609-05.xml, http://security.gentoo.org/glsa/glsa-200609-18.xml, http://www.mandriva.com/security/advisories?name=MDKSA-2006:161, http://www.mandriva.com/security/advisories?name=MDKSA-2006:177, http://www.mandriva.com/security/advisories?name=MDKSA-2006:178, http://www.mandriva.com/security/advisories?name=MDKSA-2006:207, http://www.novell.com/linux/security/advisories/2006_26_sr.html, http://www.novell.com/linux/security/advisories/2006_55_ssl.html, http://www.novell.com/linux/security/advisories/2006_61_opera.html, http://www.novell.com/linux/security/advisories/2007_10_ibmjava.html, http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.018.html, http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.029-bind.html, http://www.openssl.org/news/secadv_20060905.txt, http://www.redhat.com/support/errata/RHSA-2006-0661.html, http://www.vmware.com/security/advisories/VMSA-2008-0005.html, http://www.vupen.com/english/advisories/2006/3453, http://www.vupen.com/english/advisories/2006/3566, http://www.vupen.com/english/advisories/2006/3730, http://www.vupen.com/english/advisories/2006/3748, http://www.vupen.com/english/advisories/2006/3793, http://www.vupen.com/english/advisories/2006/3899, http://www.vupen.com/english/advisories/2006/3936, http://www.vupen.com/english/advisories/2006/4205, http://www.vupen.com/english/advisories/2006/4206, http://www.vupen.com/english/advisories/2006/4207, http://www.vupen.com/english/advisories/2006/4216, http://www.vupen.com/english/advisories/2006/4327, http://www.vupen.com/english/advisories/2006/4329, http://www.vupen.com/english/advisories/2006/4366, http://www.vupen.com/english/advisories/2006/4417, http://www.vupen.com/english/advisories/2006/4586, http://www.vupen.com/english/advisories/2006/4744, http://www.vupen.com/english/advisories/2006/4750, http://www.vupen.com/english/advisories/2006/5146, http://www.vupen.com/english/advisories/2007/0254, http://www.vupen.com/english/advisories/2007/0343, http://www.vupen.com/english/advisories/2007/1401, http://www.vupen.com/english/advisories/2007/1815, http://www.vupen.com/english/advisories/2007/1945, http://www.vupen.com/english/advisories/2007/2163, http://www.vupen.com/english/advisories/2007/2315, http://www.vupen.com/english/advisories/2007/2783, http://www.vupen.com/english/advisories/2007/4224, http://www.vupen.com/english/advisories/2008/0905/references, http://www.vupen.com/english/advisories/2010/0366, http://secunia.com/advisories/21709, http://www.debian.org/security/2006/dsa-1174, http://www.openssl.org/news/secadv_20060905.txt, http://www.securityfocus.com/bid/19849, http://www.ubuntu.com/usn/usn-339-1, http://www.us.debian.org/security/2006/dsa-1173, http://docs.info.apple.com/article.html?artnum=304829, http://docs.info.apple.com/article.html?artnum=307177, http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01070495, http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771, http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540, http://jvn.jp/en/jp/JVN51615542/index.html, http://jvndb.jvn.jp/ja/contents/2012/JVNDB-2012-000079.html, http://lists.apple.com/archives/Security-announce/2007/Dec/msg00001.html, http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html, http://lists.vmware.com/pipermail/security-announce/2008/000008.html, http://marc.info/?l=bind-announce&m=116253119512445&w=2, http://marc.info/?l=bugtraq&m=130497311408250&w=2, http://openvpn.net/changelog.html, http://securitytracker.com/id?1016791, http://securitytracker.com/id?1017522, http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.566955, http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.605306, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102648-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102657-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102686-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102696-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102722-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102744-1, http://sunsolve.sun.com/search/document.do?assetkey=1-26-102759-1, http://sunsolve.sun.com/search/document.do?assetkey=1-66-200708-1, http://sunsolve.sun.com/search/document.do?assetkey=1-66-201247-1, http://sunsolve.sun.com/search/document.do?assetkey=1-66-201534-1, http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000148.1-1, http://support.attachmate.com/techdocs/2127.html, http://support.attachmate.com/techdocs/2128.html, http://support.attachmate.com/techdocs/2137.html, http://support.avaya.com/elmodocs2/security/ASA-2006-188.htm, http://www.arkoon.fr/upload/alertes/40AK-2006-04-FR-1.1_SSL360_OPENSSL_RSA.pdf, http://www.bluecoat.com/support/knowledge/openSSL_RSA_Signature_forgery.html, http://www.cisco.com/en/US/products/hw/contnetw/ps4162/tsd_products_security_response09186a008077af1b.html, http://www.cisco.com/warp/public/707/cisco-sr-20061108-openssl.shtml, http://www.gentoo.org/security/en/glsa/glsa-200610-06.xml, http://www.gentoo.org/security/en/glsa/glsa-201408-19.xml, http://www.imc.org/ietf-openpgp/mail-archive/msg14307.html, http://www.kb.cert.org/vuls/id/845620, http://www.matasano.com/log/469/many-rsa-signatures-may-be-forgeable-in-openssl-and-elsewhere/, http://www.openbsd.org/errata.html, http://www.openoffice.org/security/cves/CVE-2006-4339.html, http://www.opera.com/support/search/supsearch.dml?index=845, http://www.oracle.com/technetwork/topics/security/cpujan2007-101493.html, http://www.osvdb.org/28549, http://www.redhat.com/support/errata/RHSA-2007-0062.html, http://www.redhat.com/support/errata/RHSA-2007-0072.html, http://www.redhat.com/support/errata/RHSA-2007-0073.html, http://www.redhat.com/support/errata/RHSA-2008-0629.html, http://www.securityfocus.com/archive/1/445231/100/0/threaded, http://www.securityfocus.com/archive/1/445822/100/0/threaded, http://www.securityfocus.com/archive/1/450327/100/0/threaded, http://www.securityfocus.com/archive/1/456546/100/200/threaded, http://www.securityfocus.com/archive/1/489739/100/0/threaded, http://www.securityfocus.com/bid/22083, http://www.securityfocus.com/bid/28276, http://www.serv-u.com/releasenotes/, http://www.sybase.com/detail?id=1047991, http://www.us-cert.gov/cas/techalerts/TA06-333A.html, http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html, http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html, http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html, http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html, http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html, http://www.vmware.com/support/player/doc/releasenotes_player.html, http://www.vmware.com/support/player2/doc/releasenotes_player2.html, http://www.vmware.com/support/server/doc/releasenotes_server.html, http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html, http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html, http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html, http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html, http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=c00771742, http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117, https://exchange.xforce.ibmcloud.com/vulnerabilities/28755, https://issues.rpath.com/browse/RPL-1633, https://issues.rpath.com/browse/RPL-616, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11656, https://secure-support.novell.com/KanisaPlatform/Publishing/41/3143224_f.SAL_Public.html, https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2006-4339 | CVE-DB