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Ubuntu: Security Advisory (USN-830-1)

🗓️ 15 Sep 2009 00:00:00Reported by Copyright (C) 2009 Greenbone AGType 
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The 'openssl' package on Ubuntu is missing an update announced via the USN-830-1 security advisory. It allows the acceptance of certificates with MD2 hash signatures, potentially putting the system at risk of impersonation by attackers

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# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.64892");
  script_cve_id("CVE-2009-2409");
  script_tag(name:"creation_date", value:"2009-09-15 20:46:32 +0000 (Tue, 15 Sep 2009)");
  script_version("2024-02-02T05:06:04+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:04 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:P/A:P");

  script_name("Ubuntu: Security Advisory (USN-830-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(6\.06\ LTS|8\.04\ LTS|8\.10|9\.04)");

  script_xref(name:"Advisory-ID", value:"USN-830-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-830-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'openssl' package(s) announced via the USN-830-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Dan Kaminsky discovered OpenSSL would still accept certificates with MD2
hash signatures. As a result, an attacker could potentially create a
malicious trusted certificate to impersonate another site. This update
handles this issue by completely disabling MD2 for certificate validation.");

  script_tag(name:"affected", value:"'openssl' package(s) on Ubuntu 6.06, Ubuntu 8.04, Ubuntu 8.10, Ubuntu 9.04.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

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

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

res = "";
report = "";

if(release == "UBUNTU6.06 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libssl0.9.8", ver:"0.9.8a-7ubuntu0.10", rls:"UBUNTU6.06 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU8.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libssl0.9.8", ver:"0.9.8g-4ubuntu3.8", rls:"UBUNTU8.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU8.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libssl0.9.8", ver:"0.9.8g-10.1ubuntu2.5", rls:"UBUNTU8.10"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU9.04") {

  if(!isnull(res = isdpkgvuln(pkg:"libssl0.9.8", ver:"0.9.8g-15ubuntu3.3", rls:"UBUNTU9.04"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);

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02 Feb 2024 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 25.1
EPSS0.04506
22