Debian: Security Advisory (DLA-1694-1)

# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.891694");
  script_cve_id("CVE-2018-12617", "CVE-2018-16872", "CVE-2019-6778");
  script_tag(name:"creation_date", value:"2019-02-27 23:00:00 +0000 (Wed, 27 Feb 2019)");
  script_version("2024-02-02T05:06:07+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-03-22 15:15:38 +0000 (Fri, 22 Mar 2019)");

  script_name("Debian: Security Advisory (DLA-1694-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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=DEB8");

  script_xref(name:"Advisory-ID", value:"DLA-1694-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2019/DLA-1694-1");
  script_xref(name:"URL", value:"https://wiki.debian.org/LTS");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'qemu' package(s) announced via the DLA-1694-1 advisory.");

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

  script_tag(name:"insight", value:"Several vulnerabilities were found in QEMU, a fast processor emulator:

CVE-2018-12617

The qmp_guest_file_read function (qga/commands-posix.c) is affected by an integer overflow and subsequent memory allocation failure. This weakness might be leveraged by remote attackers to cause denial of service (application crash).

CVE-2018-16872

The usb_mtp_get_object, usb_mtp_get_partial_object and usb_mtp_object_readdir functions (hw/usb/dev-mtp.c) are affected by a symlink attack. Remote attackers might leverage this vulnerability to perform information disclosure.

CVE-2019-6778

The tcp_emu function (slirp/tcp_subr.c) is affected by a heap buffer overflow caused by insufficient validation of available space in the sc_rcv->sb_data buffer. Remote attackers might leverage this flaw to cause denial of service, or any other unspecified impact.

For Debian 8 Jessie, these problems have been fixed in version 1:2.1+dfsg-12+deb8u10.

We recommend that you upgrade your qemu packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]");

  script_tag(name:"affected", value:"'qemu' package(s) on Debian 8.");

  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 == "DEB8") {

  if(!isnull(res = isdpkgvuln(pkg:"qemu", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-guest-agent", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-kvm", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-arm", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-common", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-mips", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-misc", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-ppc", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-sparc", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-system-x86", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-user", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-user-binfmt", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-user-static", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"qemu-utils", ver:"1:2.1+dfsg-12+deb8u10", rls:"DEB8"))) {
    report += res;
  }

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

exit(0);