Debian: Security Advisory (DSA-5080-1)

# 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("1.3.6.1.4.1.25623.1.0.705080");
  script_cve_id("CVE-2021-44730", "CVE-2021-44731");
  script_tag(name:"creation_date", value:"2022-02-22 02:00:18 +0000 (Tue, 22 Feb 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:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-01 16:56:19 +0000 (Tue, 01 Mar 2022)");

  script_name("Debian: Security Advisory (DSA-5080-1)");
  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=DEB(10|11)");

  script_xref(name:"Advisory-ID", value:"DSA-5080-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2022/DSA-5080-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-5080");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/snapd");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'snapd' package(s) announced via the DSA-5080-1 advisory.");

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

  script_tag(name:"insight", value:"Multiple vulnerabilities were discovered in snapd, a daemon and tooling that enable Snap packages, which could result in bypass of access restrictions or privilege escalation.

For the oldstable distribution (buster), these problems have been fixed in version 2.37.4-1+deb10u1.

For the stable distribution (bullseye), these problems have been fixed in version 2.49-1+deb11u1.

We recommend that you upgrade your snapd packages.

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

  script_tag(name:"affected", value:"'snapd' package(s) on Debian 10, 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 == "DEB10") {

  if(!isnull(res = isdpkgvuln(pkg:"golang-github-snapcore-snapd-dev", ver:"2.37.4-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"golang-github-ubuntu-core-snappy-dev", ver:"2.37.4-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"snap-confine", ver:"2.37.4-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"snapd", ver:"2.37.4-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ubuntu-core-launcher", ver:"2.37.4-1+deb10u1", rls:"DEB10"))) {
    report += res;
  }

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

if(release == "DEB11") {

  if(!isnull(res = isdpkgvuln(pkg:"golang-github-snapcore-snapd-dev", ver:"2.49-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"golang-github-ubuntu-core-snappy-dev", ver:"2.49-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"snap-confine", ver:"2.49-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"snapd", ver:"2.49-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ubuntu-core-launcher", ver:"2.49-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

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

exit(0);