Debian: Security Advisory (DLA-275-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.1.2.2015.275");
  script_cve_id("CVE-2014-6438");
  script_tag(name:"creation_date", value:"2023-03-08 12:56:44 +0000 (Wed, 08 Mar 2023)");
  script_version("2024-02-02T05:06:10+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +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:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-09-11 18:25:34 +0000 (Mon, 11 Sep 2017)");

  script_name("Debian: Security Advisory (DLA-275-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB6");

  script_xref(name:"Advisory-ID", value:"DLA-275-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2015/DLA-275-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'ruby1.9.1' package(s) announced via the DLA-275-1 advisory.");

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

  script_tag(name:"insight", value:"It was discovered that the uri package in the Ruby standard library uses regular expressions that may result in excessive backtracking. Ruby applications that parse untrusted URIs using this library were susceptible to denial-of-service attacks by passing crafted URIs.

For the oldoldstable distribution (squeeze), this problem has been fixed in version 1.9.2.0-2+deb6u6.

The oldstable distribution (wheezy) and stable distribution (jessie) were not affected by this problem as it was fixed before release.");

  script_tag(name:"affected", value:"'ruby1.9.1' package(s) on Debian 6.");

  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 == "DEB6") {

  if(!isnull(res = isdpkgvuln(pkg:"libruby1.9.1", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libruby1.9.1-dbg", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtcltk-ruby1.9.1", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ri1.9.1", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ruby1.9.1", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ruby1.9.1-dev", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ruby1.9.1-elisp", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ruby1.9.1-examples", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ruby1.9.1-full", ver:"1.9.2.0-2+deb6u6", rls:"DEB6"))) {
    report += res;
  }

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

exit(0);