Mageia: Security Advisory (MGASA-2020-0331)

# 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("1.3.6.1.4.1.25623.1.1.10.2020.0331");
  script_cve_id("CVE-2020-11996", "CVE-2020-13934", "CVE-2020-13935");
  script_tag(name:"creation_date", value:"2022-01-28 10:58:44 +0000 (Fri, 28 Jan 2022)");
  script_version("2024-10-23T05:05:59+0000");
  script_tag(name:"last_modification", value:"2024-10-23 05:05:59 +0000 (Wed, 23 Oct 2024)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/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:"2020-07-17 16:42:57 +0000 (Fri, 17 Jul 2020)");

  script_name("Mageia: Security Advisory (MGASA-2020-0331)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone AG");
  script_family("Mageia Linux Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/mageia_linux", "ssh/login/release", re:"ssh/login/release=MAGEIA7");

  script_xref(name:"Advisory-ID", value:"MGASA-2020-0331");
  script_xref(name:"URL", value:"https://advisories.mageia.org/MGASA-2020-0331.html");
  script_xref(name:"URL", value:"http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.36");
  script_xref(name:"URL", value:"http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.37");
  script_xref(name:"URL", value:"https://bugs.mageia.org/show_bug.cgi?id=26862");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'tomcat' package(s) announced via the MGASA-2020-0331 advisory.");

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

  script_tag(name:"insight", value:"A specially crafted sequence of HTTP/2 requests could trigger high CPU usage
for several seconds. If a sufficient number of such requests were made on
concurrent HTTP/2 connections, the server could become unresponsive
(CVE-2020-11996).

An h2c direct connection did not release the HTTP/1.1 processor after the
upgrade to HTTP/2. If a sufficient number of such requests were made, an
OutOfMemoryException could occur leading to a denial of service
(CVE-2020-13934).

The payload length in a WebSocket frame was not correctly validated. Invalid
payload lengths could trigger an infinite loop. Multiple requests with invalid
payload lengths could lead to a denial of service (CVE-2020-13935).");

  script_tag(name:"affected", value:"'tomcat' package(s) on Mageia 7.");

  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-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "MAGEIA7") {

  if(!isnull(res = isrpmvuln(pkg:"tomcat", rpm:"tomcat~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-admin-webapps", rpm:"tomcat-admin-webapps~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-docs-webapp", rpm:"tomcat-docs-webapp~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-el-3.0-api", rpm:"tomcat-el-3.0-api~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-jsp-2.3-api", rpm:"tomcat-jsp-2.3-api~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-jsvc", rpm:"tomcat-jsvc~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-lib", rpm:"tomcat-lib~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-servlet-4.0-api", rpm:"tomcat-servlet-4.0-api~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"tomcat-webapps", rpm:"tomcat-webapps~9.0.37~1.2.mga7", rls:"MAGEIA7"))) {
    report += res;
  }

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

exit(0);