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CESA-2010:0167: gnutls security update

Severity CVSS Published Added Modified
8 (AV:N/AC:L/Au:N/C:P/I:P/A:P) March 26, 2010 April 06, 2010 December 05, 2013

Description

Updated gnutls packages that fix two security issues are now available for CentOS Linux 4. The CentOS Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The GnuTLS library provides support for cryptographic algorithms and for protocols such as Transport Layer Security (TLS). A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure Sockets Layer) protocols handled session renegotiation. A man-in-the-middle attacker could use this flaw to prefix arbitrary plain text to a client's session (for example, an HTTPS connection to a website). This could force the server to process an attacker's request as if authenticated using the victim's credentials. This update addresses this flaw by implementing the TLS Renegotiation Indication Extension, as defined in RFC 5746. (CVE-2009-3555) Refer to the following Knowledgebase article for additional details about the CVE-2009-3555 flaw: http://kbase.redhat.com/faq/docs/DOC-20491 A flaw was found in the way GnuTLS extracted serial numbers from X.509 certificates. On 64-bit big endian platforms, this flaw could cause the certificate revocation list (CRL) check to be bypassed; cause various GnuTLS utilities to crash; or, possibly, execute arbitrary code. (CVE-2010-0731) Users of GnuTLS are advised to upgrade to these updated packages, which contain backported patches to correct these issues. For the update to take effect, all applications linked to the GnuTLS library must be restarted, or the system rebooted.

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References

Solution

  • CentOS Linux >= 4 and < 5 (iSeries)

    Upgrade gnutls

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/ppc64/RPMS/gnutls-1.0.20-4.el4_8.7.ppc64.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (iSeries)

    Upgrade gnutls-devel

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/ppc/RPMS/gnutls-devel-1.0.20-4.el4_8.7.ppc.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (ia64)

    Upgrade gnutls

    Update gnutls to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (ia64)

    Upgrade gnutls-devel

    Update gnutls-devel to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (pSeries)

    Upgrade gnutls

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/ppc64/RPMS/gnutls-1.0.20-4.el4_8.7.ppc64.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (pSeries)

    Upgrade gnutls-devel

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/ppc/RPMS/gnutls-devel-1.0.20-4.el4_8.7.ppc.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (s390)

    Upgrade gnutls

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/s390/RPMS/gnutls-1.0.20-4.el4_8.7.s390.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (s390)

    Upgrade gnutls-devel

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/s390/RPMS/gnutls-devel-1.0.20-4.el4_8.7.s390.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (s390x)

    Upgrade gnutls

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/s390x/RPMS/gnutls-1.0.20-4.el4_8.7.s390x.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (s390x)

    Upgrade gnutls-devel

    Download and apply the upgrade from: http://mirror.centos.org/centos/4/updates/s390x/RPMS/gnutls-devel-1.0.20-4.el4_8.7.s390x.rpm

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (x86)

    Upgrade gnutls

    Update gnutls to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (x86)

    Upgrade gnutls-devel

    Update gnutls-devel to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (x86_64)

    Upgrade gnutls

    Update gnutls to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

  • CentOS Linux >= 4 and < 5 (x86_64)

    Upgrade gnutls-devel

    Update gnutls-devel to the latest version available from CentOS, using tools like yum or up2date.

    Because CentOS RPMs are built off of RedHat SRPMs, there is a delay between when a vulnerability is published and fixed in the RedHat SRPMs and the time that CentOS in turn rebuilds and redistributes the updated RPMs. As such, there may be cases where the updated RPM(s) listed here might not exist in the CentOS RPM repositories yet.

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