Debian: Security Advisory (DSA-4986-1)

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.704986");
  script_cve_id("CVE-2021-41079");
  script_tag(name:"creation_date", value:"2021-10-16 01:00:42 +0000 (Sat, 16 Oct 2021)");
  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:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-09-28 18:55:18 +0000 (Tue, 28 Sep 2021)");

  script_name("Debian: Security Advisory (DSA-4986-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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-4986-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2021/DSA-4986-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4986");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/tomcat9");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'tomcat9' package(s) announced via the DSA-4986-1 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 Tomcat servlet and JSP engine, which could result in denial of service.

For the oldstable distribution (buster), these problems have been fixed in version 9.0.31-1~deb10u6.

For the stable distribution (bullseye), these problems have been fixed in version 9.0.43-2~deb11u2.

We recommend that you upgrade your tomcat9 packages.

For the detailed security status of tomcat9 please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'tomcat9' 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:"libtomcat9-embed-java", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtomcat9-java", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-admin", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-common", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-docs", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-examples", ver:"9.0.31-1~deb10u6", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-user", ver:"9.0.31-1~deb10u6", 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:"libtomcat9-embed-java", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libtomcat9-java", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-admin", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-common", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-docs", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-examples", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"tomcat9-user", ver:"9.0.43-2~deb11u2", rls:"DEB11"))) {
    report += res;
  }

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

exit(0);