Ubuntu: Security Advisory (USN-4937-2)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.844971");
  script_tag(name:"creation_date", value:"2021-06-08 03:00:35 +0000 (Tue, 08 Jun 2021)");
  script_version("2023-06-21T05:06:21+0000");
  script_tag(name:"last_modification", value:"2023-06-21 05:06:21 +0000 (Wed, 21 Jun 2023)");
  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-4937-2)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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(18\.04\ LTS|20\.04\ LTS|20\.10|21\.04)");

  script_xref(name:"Advisory-ID", value:"USN-4937-2");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4937-2");
  script_xref(name:"URL", value:"https://launchpad.net/bugs/1929304");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'gnome-autoar' package(s) announced via the USN-4937-2 advisory.");

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

  script_tag(name:"insight", value:"USN-4937-1 fixed a vulnerability in GNOME Autoar. The update caused a
regression when extracting certain archives. This update fixes the problem.

Original advisory details:

 Ondrej Holy discovered that GNOME Autoar could extract files outside of the
 intended directory. If a user were tricked into extracting a specially
 crafted archive, a remote attacker could create files in arbitrary
 locations, possibly leading to code execution.");

  script_tag(name:"affected", value:"'gnome-autoar' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 21.04.");

  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 == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-0-0", ver:"0.2.3-1ubuntu0.4", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-gtk-0-0", ver:"0.2.3-1ubuntu0.4", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU20.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-0-0", ver:"0.2.3-2ubuntu0.4", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-gtk-0-0", ver:"0.2.3-2ubuntu0.4", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU20.10") {

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-0-0", ver:"0.2.4-2ubuntu0.4", rls:"UBUNTU20.10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-gtk-0-0", ver:"0.2.4-2ubuntu0.4", rls:"UBUNTU20.10"))) {
    report += res;
  }

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

if(release == "UBUNTU21.04") {

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-0-0", ver:"0.3.1-1ubuntu0.1", rls:"UBUNTU21.04"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgnome-autoar-gtk-0-0", ver:"0.3.1-1ubuntu0.1", rls:"UBUNTU21.04"))) {
    report += res;
  }

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

exit(0);