Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2009-2730

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
12/08/2009
Last modified:
10/10/2018

Description

libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* 2.8.1 (including)
cpe:2.3:a:gnu:gnutls:1.0.16:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.17:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.18:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.19:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.20:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.21:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.22:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.23:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.24:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.0.25:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.1.13:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.1.14:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.1.15:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:1.1.16:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools