Ubuntu: Security Advisory (USN-2145-1)

# SPDX-FileCopyrightText: 2014 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("1.3.6.1.4.1.25623.1.0.841750");
  script_cve_id("CVE-2014-0017");
  script_tag(name:"creation_date", value:"2014-03-17 08:06:46 +0000 (Mon, 17 Mar 2014)");
  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:"1.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:P/I:N/A:N");

  script_name("Ubuntu: Security Advisory (USN-2145-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2014 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(12\.04\ LTS|12\.10|13\.10)");

  script_xref(name:"Advisory-ID", value:"USN-2145-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-2145-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libssh' package(s) announced via the USN-2145-1 advisory.");

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

  script_tag(name:"insight", value:"Aris Adamantiadis discovered that libssh allowed the OpenSSL PRNG state to
be reused when implementing forking servers. This could allow an attacker
to possibly obtain information about the state of the PRNG and perform
cryptographic attacks.");

  script_tag(name:"affected", value:"'libssh' package(s) on Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.10.");

  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 == "UBUNTU12.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libssh-4", ver:"0.5.2-1ubuntu0.12.04.3", rls:"UBUNTU12.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU12.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libssh-4", ver:"0.5.2-1ubuntu0.12.10.3", rls:"UBUNTU12.10"))) {
    report += res;
  }

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

if(release == "UBUNTU13.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libssh-4", ver:"0.5.4-1ubuntu0.1", rls:"UBUNTU13.10"))) {
    report += res;
  }

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

exit(0);