Ubuntu: Security Advisory (USN-2524-1)

# SPDX-FileCopyrightText: 2015 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("1.3.6.1.4.1.25623.1.0.842121");
  script_cve_id("CVE-2014-9687");
  script_tag(name:"creation_date", value:"2015-03-11 05:40:07 +0000 (Wed, 11 Mar 2015)");
  script_version("2024-02-02T05:06:05+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:05 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_name("Ubuntu: Security Advisory (USN-2524-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2015 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(10\.04\ LTS|12\.04\ LTS|14\.04\ LTS|14\.10)");

  script_xref(name:"Advisory-ID", value:"USN-2524-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-2524-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ecryptfs-utils' package(s) announced via the USN-2524-1 advisory.");

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

  script_tag(name:"insight", value:"Sylvain Pelissier discovered that eCryptfs did not generate a random salt when
encrypting the mount passphrase with the login password. An attacker could use
this issue to discover the login password used to protect the mount passphrase
and gain unintended access to the encrypted files.");

  script_tag(name:"affected", value:"'ecryptfs-utils' package(s) on Ubuntu 10.04, Ubuntu 12.04, Ubuntu 14.04, Ubuntu 14.10.");

  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 == "UBUNTU10.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"ecryptfs-utils", ver:"83-0ubuntu3.2.10.04.6", rls:"UBUNTU10.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libecryptfs0", ver:"83-0ubuntu3.2.10.04.6", rls:"UBUNTU10.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU12.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"ecryptfs-utils", ver:"96-0ubuntu3.4", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libecryptfs0", ver:"96-0ubuntu3.4", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU14.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"ecryptfs-utils", ver:"104-0ubuntu1.14.04.3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libecryptfs0", ver:"104-0ubuntu1.14.04.3", rls:"UBUNTU14.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU14.10") {

  if(!isnull(res = isdpkgvuln(pkg:"ecryptfs-utils", ver:"104-0ubuntu1.14.10.3", rls:"UBUNTU14.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libecryptfs0", ver:"104-0ubuntu1.14.10.3", rls:"UBUNTU14.10"))) {
    report += res;
  }

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

exit(0);