CVE-2006-4340

Description

Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates, a similar vulnerability to CVE-2006-4339. NOTE: on 20061107, Mozilla released an advisory stating that these versions were not completely patched by MFSA2006-60. The newer fixes for 1.5.0.7 are covered by CVE-2006-5462.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 5.20% Top 15%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory sgi.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory hp.com Vendor Advisory redhat.com Vendor Advisory sun.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory novell.com Vendor Advisory novell.com Vendor Advisory ubuntu.com Vendor Advisory sun.com Vendor Advisory mandriva.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.matasano.com/log/469/many-rsa-signatures-may-be-forgeable-in-openssl-and-elsewhere/
http://securitytracker.com/id?1016858 vdb entry
http://secunia.com/advisories/22992 third party advisory
http://www.vupen.com/english/advisories/2006/3748 vdb entry
http://securitytracker.com/id?1016859 vdb entry
http://www.redhat.com/support/errata/RHSA-2006-0676.html patch vendor advisory
http://secunia.com/advisories/23883 third party advisory
http://www.vupen.com/english/advisories/2006/3899 vdb entry
http://secunia.com/advisories/22044 third party advisory
http://secunia.com/advisories/22055 third party advisory vendor advisory
http://secunia.com/advisories/22195 third party advisory
http://www.ubuntu.com/usn/usn-361-1 vendor advisory
http://www.ubuntu.com/usn/usn-352-1 vendor advisory
http://secunia.com/advisories/22446 third party advisory vendor advisory
http://secunia.com/advisories/21950 third party advisory vendor advisory
http://www.ubuntu.com/usn/usn-351-1 vendor advisory
http://secunia.com/advisories/22025 third party advisory vendor advisory
http://secunia.com/advisories/22056 third party advisory
http://www.imc.org/ietf-openpgp/mail-archive/msg14307.html mailing list
http://www.us-cert.gov/cas/techalerts/TA06-312A.html third party advisory us government resource
http://secunia.com/advisories/22247 third party advisory vendor advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:168 vendor advisory
http://www.us.debian.org/security/2006/dsa-1191 vendor advisory
http://www.vupen.com/english/advisories/2007/0293 vdb entry
http://secunia.com/advisories/22210 third party advisory vendor advisory
http://www.debian.org/security/2006/dsa-1210 vendor advisory
http://secunia.com/advisories/24711 third party advisory
http://www.vupen.com/english/advisories/2006/3622 vdb entry
http://www.mozilla.org/security/announce/2006/mfsa2006-60.html
http://support.avaya.com/elmodocs2/security/ASA-2006-224.htm
http://securitytracker.com/id?1016860 vdb entry
http://secunia.com/advisories/22849 third party advisory
http://www.vupen.com/english/advisories/2008/0083 vdb entry
ftp://patches.sgi.com/support/free/security/advisories/20060901-01-P.asc vendor advisory
http://secunia.com/advisories/21939 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2006/3617 vdb entry
http://www.gentoo.org/security/en/glsa/glsa-200610-06.xml vendor advisory
http://secunia.com/advisories/21915 third party advisory vendor advisory
http://www.vupen.com/english/advisories/2007/1198 vdb entry
http://www.redhat.com/support/errata/RHSA-2006-0677.html patch vendor advisory
http://www.debian.org/security/2006/dsa-1192 vendor advisory
http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
http://security.gentoo.org/glsa/glsa-200609-19.xml vendor advisory
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=c00771742 vendor advisory
http://secunia.com/advisories/22274 third party advisory vendor advisory
http://www.redhat.com/support/errata/RHSA-2006-0675.html vendor advisory
http://secunia.com/advisories/21940 third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/30098 vdb entry
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102648-1 vendor advisory
http://secunia.com/advisories/22001 third party advisory vendor advisory
http://www.securityfocus.com/archive/1/446140/100/0/threaded mailing list
http://secunia.com/advisories/21903 third party advisory vendor advisory
http://www.ubuntu.com/usn/usn-350-1 vendor advisory
http://secunia.com/advisories/21906 patch vendor advisory third party advisory
http://secunia.com/advisories/22342 third party advisory vendor advisory
http://security.gentoo.org/glsa/glsa-200610-01.xml vendor advisory
http://secunia.com/advisories/22074 third party advisory vendor advisory
http://secunia.com/advisories/22226 third party advisory vendor advisory
http://secunia.com/advisories/22066 third party advisory
http://secunia.com/advisories/22088 third party advisory vendor advisory
http://secunia.com/advisories/21949 patch vendor advisory third party advisory
http://www.novell.com/linux/security/advisories/2006_54_mozilla.html vendor advisory
https://issues.rpath.com/browse/RPL-640
http://www.mozilla.org/security/announce/2006/mfsa2006-66.html
http://secunia.com/advisories/22036 third party advisory vendor advisory
http://www.novell.com/linux/security/advisories/2006_55_ssl.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11007 signature vdb entry
http://www.ubuntu.com/usn/usn-354-1 vendor advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102781-1 vendor advisory
http://secunia.com/advisories/22422 third party advisory vendor advisory
http://secunia.com/advisories/22299 third party advisory vendor advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:169 vendor advisory
http://secunia.com/advisories/21916 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2006-4340?
CVE-2006-4340 has been scored as a medium severity vulnerability.
How to fix CVE-2006-4340?
To fix CVE-2006-4340, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2006-4340 being actively exploited in the wild?
It is possible that CVE-2006-4340 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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