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FreeBSD : gnutls -- RSA Signature Forgery Vulnerability (64bf6234-520d-11db-8f1a-000a48049292)

medium Nessus Plugin ID 22501

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Secunia reports :

A vulnerability has been reported in GnuTLS, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error in the verification of certain signatures. If a RSA key with exponent 3 is used, it may be possible to forge PKCS #1 v1.5 signatures signed with that key.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?04ef6bdf

http://www.nessus.org/u?f0321a8c

Plugin Details

Severity: Medium

ID: 22501

File Name: freebsd_pkg_64bf6234520d11db8f1a000a48049292.nasl

Version: 1.17

Type: local

Published: 10/5/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:gnutls, p-cpe:/a:freebsd:freebsd:gnutls-devel, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2006

Vulnerability Publication Date: 9/8/2006

Reference Information

CVE: CVE-2006-4790

BID: 20027

Secunia: 21937