CVE-2006-4790

critical

Description

verify.c in GnuTLS before 1.4.4, when using an RSA key with exponent 3, does not properly handle excess data in the digestAlgorithm.parameters field when generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents GnuTLS from correctly verifying X.509 and other certificates that use PKCS, a variant of CVE-2006-4339.

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9937

https://exchange.xforce.ibmcloud.com/vulnerabilities/28953

http://www.vupen.com/english/advisories/2007/2289

http://www.vupen.com/english/advisories/2006/3899

http://www.vupen.com/english/advisories/2006/3635

http://www.ubuntu.com/usn/usn-348-1

http://www.securityfocus.com/bid/20027

http://www.redhat.com/support/errata/RHSA-2006-0680.html

http://www.novell.com/linux/security/advisories/2007_10_ibmjava.html

http://www.novell.com/linux/security/advisories/2006_23_sr.html

http://www.mandriva.com/security/advisories?name=MDKSA-2006:166

http://www.gnu.org/software/gnutls/security.html

http://www.debian.org/security/2006/dsa-1182

http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102970-1

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102648-1

http://securitytracker.com/id?1016844

http://security.gentoo.org/glsa/glsa-200609-15.xml

http://secunia.com/advisories/25762

http://secunia.com/advisories/22992

http://secunia.com/advisories/22226

http://secunia.com/advisories/22097

http://secunia.com/advisories/22084

http://secunia.com/advisories/22080

http://secunia.com/advisories/22049

http://secunia.com/advisories/21973

http://secunia.com/advisories/21942

http://secunia.com/advisories/21937

http://lists.gnupg.org/pipermail/gnutls-dev/2006-September/001212.html

http://lists.gnupg.org/pipermail/gnutls-dev/2006-September/001205.html

Details

Source: Mitre, NVD

Published: 2006-09-14

Updated: 2017-10-11

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical