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CentOS Update for gnutls CESA-2010:0166 centos5 i386

🗓️ 09 Aug 2011 00:00:00Reported by Copyright (C) 2011 Greenbone AGType 
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The remote host is missing an update for the 'gnutls' package(s) announced via the referenced advisory. The GnuTLS library provides support for cryptographic algorithms and protocols such as TLS. A flaw was found in the way the TLS/SSL protocols handled session renegotiation, and another issue was found where browsers could accept certificates with MD2 hash signatures, which are no longer considered strong algorithms. Users of GnuTLS are advised to upgrade to these updated packages, which contain backported patches to correct these issues

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Code
# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.880630");
  script_version("2026-04-24T06:23:04+0000");
  script_tag(name:"last_modification", value:"2026-04-24 06:23:04 +0000 (Fri, 24 Apr 2026)");
  script_tag(name:"creation_date", value:"2011-08-09 08:20:34 +0200 (Tue, 09 Aug 2011)");
  script_tag(name:"cvss_base", value:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:P");
  script_xref(name:"CESA", value:"2010:0166");
  script_cve_id("CVE-2009-2409", "CVE-2009-3555");
  script_name("CentOS Update for gnutls CESA-2010:0166 centos5 i386");

  script_xref(name:"URL", value:"http://lists.centos.org/pipermail/centos-announce/2010-March/016587.html");
  script_xref(name:"URL", value:"http://kbase.redhat.com/faq/docs/DOC-20491");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'gnutls'
  package(s) announced via the referenced advisory.");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("CentOS Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS5");
  script_tag(name:"affected", value:"gnutls on CentOS 5");
  script_tag(name:"insight", value:"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 linked Knowledgebase article for additional details about
  the CVE-2009-3555 flaw.

  Dan Kaminsky found that browsers could accept certificates with MD2 hash
  signatures, even though MD2 is no longer considered a cryptographically
  strong algorithm. This could make it easier for an attacker to create a
  malicious certificate that would be treated as trusted by a browser. GnuTLS
  now disables the use of the MD2 algorithm inside signatures by default.
  (CVE-2009-2409)

  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.");
  script_tag(name:"solution", value:"Please install the updated packages.");
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";

if(release == "CentOS5")
{

  if ((res = isrpmvuln(pkg:"gnutls", rpm:"gnutls~1.4.1~3.el5_4.8", rls:"CentOS5")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"gnutls-devel", rpm:"gnutls-devel~1.4.1~3.el5_4.8", rls:"CentOS5")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"gnutls-utils", rpm:"gnutls-utils~1.4.1~3.el5_4.8", rls:"CentOS5")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}

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