gnutls security update

CentOS Errata and Security Advisory CESA-2009:123 Updated gnutls packages that fix a security issue are now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The GnuTLS library provides support for...

gnutls security update

CentOS Errata and Security Advisory CESA-2009:1232 Updated gnutls packages that fix a security issue are now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The GnuTLS library provides support for...

Moderate: Red Hat Security Advisory: gnutls security update

Updated gnutls packages that fix a security issue are now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The GnuTLS library provides support for cryptographic algorithms and for protocols such as...

gnutls: incorrect verification of SSL certificate with NUL in name (GNUTLS-SA-2009-4)

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 b...

gnutls security update

1.4.1-3.5 - fix NUL characters in DN and SAN cert fields issue, make sure gnutlsx509crtcheckhostname fails when certificate has no CN or SAN CVE-2009-2730 516231...

Mandriva Linux Security Advisory : gnutls (MDVSA-2009:210)

A vulnerability have been discovered and corrected in GnuTLS before 2.8.2, which could allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority CVE-2009-2730. This update fixes this vulnerability. %NASLMINLEVEL 70300...

Design/Logic Flaw

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name CN 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...

CVE-2009-2474

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name CN 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...

CVE-2009-2474

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name CN 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...

CVE-2009-2474

CVE-2009-2474 affects neon prior to 0.28.6 when using OpenSSL or GnuTLS. The root cause is improper handling of a '\0' character in the domain name in the X.509 certificate CN field, enabling MITM spoofing of SSL servers via a certificate issued by a legitimate CA. Impact per the entry is partial...

CVE-2009-2474

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name CN 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...

CVE-2009-2474

neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name CN 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...

GnuTLS library certificate spoofing

It's possible to spoof cerificate name with NULL byte; weak MD2-hashed signatures are accepted...

FreeBSD : GnuTLS -- multiple vulnerabilities (b31a1088-460f-11de-a11a-0022156e8794)

SecurityFocus reports : GnuTLS is prone to multiple remote vulnerabilities : - A remote code-execution vulnerability. - A denial-of-service vulnerability. - A signature-generation vulnerability. - A signature-verification vulnerability. An attacker can exploit these issues to potentially execute...

Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 : gnutls12, gnutls13, gnutls26 vulnerabilities (USN-809-1)

Moxie Marlinspike and Dan Kaminsky independently discovered that GnuTLS did not properly handle certificates with NULL characters in the certificate name. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications...

FreeBSD : GnuTLS -- improper SSL certificate verification (856a6f84-8b30-11de-8062-00e0815b8da8)

GnuTLS reports : By using a NUL byte in CN/SAN fields, it was possible to fool GnuTLS into 1 not printing the entire CN/SAN field value when printing a certificate and 2 cause incorrect positive matches when matching a hostname against a certificate. %NASLMINLEVEL 70300 C Tenable Network Security...

[USN-809-1] GnuTLS vulnerabilities

=========================================================== Ubuntu Security Notice USN-809-1 August 19, 2009 gnutls12, gnutls13, gnutls26 vulnerabilities CVE-2009-2409, CVE-2009-2730, https://launchpad.net/bugs/305264 =========================================================== A security issue...

USN-809-1: GnuTLS vulnerabilities

Moxie Marlinspike and Dan Kaminsky independently discovered that GnuTLS did not properly handle certificates with NULL characters in the certificate name. An attacker could exploit this to perform a machine-in-the-middle attack to view sensitive information or alter encrypted communications...

CVE-2009-2730

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 b...

Design/Logic Flaw

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 b...