Debian: Security Advisory (DSA-5280-1)

# SPDX-FileCopyrightText: 2022 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("1.3.6.1.4.1.25623.1.0.705280");
  script_cve_id("CVE-2022-2601", "CVE-2022-3775");
  script_tag(name:"creation_date", value:"2022-11-16 02:00:09 +0000 (Wed, 16 Nov 2022)");
  script_version("2024-02-02T05:06:08+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:08 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-12-16 21:29:14 +0000 (Fri, 16 Dec 2022)");

  script_name("Debian: Security Advisory (DSA-5280-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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=DEB11");

  script_xref(name:"Advisory-ID", value:"DSA-5280-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2022/DSA-5280-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-5280");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/grub2");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'grub2' package(s) announced via the DSA-5280-1 advisory.");

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

  script_tag(name:"insight", value:"Several issues were found in GRUB2's font handling code, which could result in crashes and potentially execution of arbitrary code. These could lead to by-pass of UEFI Secure Boot on affected systems.

Further, issues were found in image loading that could potentially lead to memory overflows.

For the stable distribution (bullseye), these problems have been fixed in version 2.06-3~deb11u4.

We recommend that you upgrade your grub2 packages.

For the detailed security status of grub2 please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'grub2' package(s) on Debian 11.");

  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 == "DEB11") {

  if(!isnull(res = isdpkgvuln(pkg:"grub-common", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-coreboot", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-coreboot-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-coreboot-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-amd64", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-amd64-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-amd64-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-amd64-signed-template", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm64", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm64-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm64-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-arm64-signed-template", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-ia32", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-ia32-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-ia32-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-efi-ia32-signed-template", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-emu", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-emu-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-firmware-qemu", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-ieee1275", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-ieee1275-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-ieee1275-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-linuxbios", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-mount-udeb", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-pc", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-pc-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-pc-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-rescue-pc", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-theme-starfield", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-uboot", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-uboot-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-uboot-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-xen", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-xen-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-xen-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-xen-host", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-yeeloong", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-yeeloong-bin", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub-yeeloong-dbg", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub2", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"grub2-common", ver:"2.06-3~deb11u4", rls:"DEB11"))) {
    report += res;
  }

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

exit(0);