SUSE: Security Advisory (SUSE-SU-2018:4090-1)

# 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("1.3.6.1.4.1.25623.1.1.4.2018.4090.1");
  script_cve_id("CVE-2018-17183", "CVE-2018-17961", "CVE-2018-18073", "CVE-2018-18284", "CVE-2018-19409", "CVE-2018-19475", "CVE-2018-19476", "CVE-2018-19477");
  script_tag(name:"creation_date", value:"2021-04-19 00:00:00 +0000 (Mon, 19 Apr 2021)");
  script_version("2025-08-15T15:42:25+0000");
  script_tag(name:"last_modification", value:"2025-08-15 15:42:25 +0000 (Fri, 15 Aug 2025)");
  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:"2018-12-18 14:19:15 +0000 (Tue, 18 Dec 2018)");

  script_name("SUSE: Security Advisory (SUSE-SU-2018:4090-1)");
  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=(SLES12\.0|SLES12\.0SP1|SLES12\.0SP2|SLES12\.0SP3|SLES12\.0SP4)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2018:4090-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2018/suse-su-20184090-1.html");
  script_xref(name:"URL", value:"http://www.ghostscript.com/doc/9.26/News.htm");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1109105");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1111479");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1111480");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1112229");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1117022");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1117274");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1117313");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1117327");
  script_xref(name:"URL", value:"https://bugzilla.suse.com/1117331");
  script_xref(name:"URL", value:"https://lists.suse.com/pipermail/sle-security-updates/2018-December/004959.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ghostscript' package(s) announced via the SUSE-SU-2018:4090-1 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 ghostscript to version 9.26 fixes the following issues:

Security issues fixed:

- CVE-2018-19475: Fixed bypass of an intended access restriction in psi/zdevice2.c (bsc#1117327)
- CVE-2018-19476: Fixed bypass of an intended access restriction in psi/zicc.c (bsc#1117313)
- CVE-2018-19477: Fixed bypass of an intended access restriction in psi/zfjbig2.c (bsc#1117274)
- CVE-2018-19409: Check if another device is used correctly in LockSafetyParams (bsc#1117022)
- CVE-2018-18284: Fixed potential sandbox escape through 1Policy operator (bsc#1112229)
- CVE-2018-18073: Fixed leaks through operator in saved execution stacks (bsc#1111480)
- CVE-2018-17961: Fixed a -dSAFER sandbox escape by bypassing executeonly (bsc#1111479)
- CVE-2018-17183: Fixed a potential code injection by specially crafted PostScript files (bsc#1109105)

Version update to 9.26 (bsc#1117331):

- Security issues have been the primary focus
- Minor bug fixes and improvements
- For release summary see: [link moved to references]");

  script_tag(name:"affected", value:"'ghostscript' package(s) on SUSE Linux Enterprise Desktop 12-SP3, SUSE Linux Enterprise Desktop 12-SP4, SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 12-SP1, SUSE Linux Enterprise Server 12-SP2, SUSE Linux Enterprise Server 12-SP3, SUSE Linux Enterprise Server 12-SP4, SUSE Linux Enterprise Server for SAP Applications 12-SP2, SUSE Linux Enterprise Server for SAP Applications 12-SP3, SUSE Linux Enterprise Server for SAP Applications 12-SP4.");

  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 == "SLES12.0") {

  if(!isnull(res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.26~23.16.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ghostscript-x11", rpm:"ghostscript-x11~9.26~23.16.1", rls:"SLES12.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libspectre1", rpm:"libspectre1~0.2.7~12.4.1", rls:"SLES12.0"))) {
    report += res;
  }

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

if(release == "SLES12.0SP1") {

  if(!isnull(res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.26~23.16.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ghostscript-x11", rpm:"ghostscript-x11~9.26~23.16.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libspectre1", rpm:"libspectre1~0.2.7~12.4.1", rls:"SLES12.0SP1"))) {
    report += res;
  }

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

if(release == "SLES12.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.26~23.16.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ghostscript-x11", rpm:"ghostscript-x11~9.26~23.16.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libspectre1", rpm:"libspectre1~0.2.7~12.4.1", rls:"SLES12.0SP2"))) {
    report += res;
  }

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

if(release == "SLES12.0SP3") {

  if(!isnull(res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.26~23.16.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ghostscript-x11", rpm:"ghostscript-x11~9.26~23.16.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libspectre1", rpm:"libspectre1~0.2.7~12.4.1", rls:"SLES12.0SP3"))) {
    report += res;
  }

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

if(release == "SLES12.0SP4") {

  if(!isnull(res = isrpmvuln(pkg:"ghostscript", rpm:"ghostscript~9.26~23.16.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ghostscript-x11", rpm:"ghostscript-x11~9.26~23.16.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libspectre1", rpm:"libspectre1~0.2.7~12.4.1", rls:"SLES12.0SP4"))) {
    report += res;
  }

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

exit(0);