SUSE: Security Advisory (SUSE-SU-2018:2955-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2018.2955.1");
  script_cve_id("CVE-2018-14598", "CVE-2018-14599", "CVE-2018-14600");
  script_tag(name:"creation_date", value:"2021-06-09 14:57:36 +0000 (Wed, 09 Jun 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +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:3.0/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:"2018-10-19 15:59:25 +0000 (Fri, 19 Oct 2018)");

  script_name("SUSE: Security Advisory (SUSE-SU-2018:2955-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES15\.0)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2018:2955-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2018/suse-su-20182955-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'libX11' package(s) announced via the SUSE-SU-2018:2955-1 advisory.");

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

  script_tag(name:"insight", value:"This update for libX11 fixes the following security issues:
CVE-2018-14599: The function XListExtensions was vulnerable to an
 off-by-one error caused by malicious server responses, leading to DoS or
 possibly unspecified other impact (bsc#1102062)

CVE-2018-14600: The function XListExtensions interpreted a variable as
 signed instead of unsigned, resulting in an out-of-bounds write (of up
 to 128 bytes), leading to DoS or remote code execution (bsc#1102068)

CVE-2018-14598: A malicious server could have sent a reply in which the
 first string overflows, causing a variable to be set to NULL that will
 be freed later
 on, leading to DoS (segmentation fault) (bsc#1102073)");

  script_tag(name:"affected", value:"'libX11' package(s) on SUSE Linux Enterprise Module for Basesystem 15.");

  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 == "SLES15.0") {

  if(!isnull(res = isrpmvuln(pkg:"libX11-6", rpm:"libX11-6~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-6-32bit", rpm:"libX11-6-32bit~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-6-32bit-debuginfo", rpm:"libX11-6-32bit-debuginfo~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-6-debuginfo", rpm:"libX11-6-debuginfo~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-data", rpm:"libX11-data~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-debugsource", rpm:"libX11-debugsource~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-devel", rpm:"libX11-devel~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-xcb1", rpm:"libX11-xcb1~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-xcb1-32bit", rpm:"libX11-xcb1-32bit~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-xcb1-32bit-debuginfo", rpm:"libX11-xcb1-32bit-debuginfo~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libX11-xcb1-debuginfo", rpm:"libX11-xcb1-debuginfo~1.6.5~3.3.1", rls:"SLES15.0"))) {
    report += res;
  }

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

exit(0);