Debian: Security Advisory (DSA-5100-1)

# 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("1.3.6.1.4.1.25623.1.0.705100");
  script_cve_id("CVE-2022-26495", "CVE-2022-26496");
  script_tag(name:"creation_date", value:"2022-03-15 05:47:31 +0000 (Tue, 15 Mar 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:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-11 14:37:20 +0000 (Fri, 11 Mar 2022)");

  script_name("Debian: Security Advisory (DSA-5100-1)");
  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-5100-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2022/DSA-5100-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-5100");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/nbd");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'nbd' package(s) announced via the DSA-5100-1 advisory.");

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

  script_tag(name:"insight", value:"Two vulnerabilities were discovered in the server for the Network Block Device (NBD), which could result in the execution of arbitrary code.

For the oldstable distribution (buster), these problems have been fixed in version 1:3.19-3+deb10u1.

For the stable distribution (bullseye), these problems have been fixed in version 1:3.21-1+deb11u1.

We recommend that you upgrade your nbd packages.

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

  script_tag(name:"affected", value:"'nbd' 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:"nbd-client", ver:"1:3.19-3+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nbd-client-udeb", ver:"1:3.19-3+deb10u1", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nbd-server", ver:"1:3.19-3+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:"nbd-client", ver:"1:3.21-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nbd-client-udeb", ver:"1:3.21-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"nbd-server", ver:"1:3.21-1+deb11u1", rls:"DEB11"))) {
    report += res;
  }

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

exit(0);