Debian: Security Advisory (DLA-1863-1)

# 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("1.3.6.1.4.1.25623.1.0.891863");
  script_cve_id("CVE-2019-13272");
  script_tag(name:"creation_date", value:"2019-07-24 02:00:11 +0000 (Wed, 24 Jul 2019)");
  script_version("2024-08-08T05:05:41+0000");
  script_tag(name:"last_modification", value:"2024-08-08 05:05:41 +0000 (Thu, 08 Aug 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:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-07-24 15:09:58 +0000 (Wed, 24 Jul 2019)");

  script_name("Debian: Security Advisory (DLA-1863-1)");
  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-1863-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2019/DLA-1863-1");
  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 'linux-4.9' package(s) announced via the DLA-1863-1 advisory.");

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

  script_tag(name:"insight", value:"Jann Horn discovered that the ptrace subsystem in the Linux kernel mishandles the management of the credentials of a process that wants to create a ptrace relationship, allowing a local user to obtain root privileges under certain scenarios.

For Debian 8 Jessie, this problem has been fixed in version 4.9.168-1+deb9u4~deb8u1.

We recommend that you upgrade your linux-4.9 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:"'linux-4.9' 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");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");

  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:"linux-compiler-gcc-4.9-arm", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-doc-4.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-686", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-686-pae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-all", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-all-amd64", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-all-armel", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-all-armhf", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-all-i386", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-amd64", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-armmp", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-armmp-lpae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-common", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-common-rt", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-marvell", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-rt-686-pae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-headers-4.9.0-0.bpo.9-rt-amd64", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-686", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-686-pae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-686-pae-dbg", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-amd64", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-amd64-dbg", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-armmp", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-armmp-lpae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-marvell", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-rt-686-pae", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-rt-686-pae-dbg", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-rt-amd64", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-image-4.9.0-0.bpo.9-rt-amd64-dbg", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-kbuild-4.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-manual-4.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-perf-4.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-source-4.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"linux-support-4.9.0-0.bpo.9", ver:"4.9.168-1+deb9u4~deb8u1", rls:"DEB8"))) {
    report += res;
  }

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

exit(0);