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openvasCopyright (C) 2020 Greenbone AGOPENVAS:1361412562310892335
HistoryAug 21, 2020 - 12:00 a.m.

Debian: Security Advisory (DLA-2335-1)

2020-08-2100:00:00
Copyright (C) 2020 Greenbone AG
plugins.openvas.org
5

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.1%

The remote host is missing an update for the Debian

# SPDX-FileCopyrightText: 2020 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("1.3.6.1.4.1.25623.1.0.892335");
  script_cve_id("CVE-2020-16287", "CVE-2020-16288", "CVE-2020-16289", "CVE-2020-16290", "CVE-2020-16291", "CVE-2020-16292", "CVE-2020-16293", "CVE-2020-16294", "CVE-2020-16295", "CVE-2020-16296", "CVE-2020-16297", "CVE-2020-16298", "CVE-2020-16299", "CVE-2020-16300", "CVE-2020-16301", "CVE-2020-16302", "CVE-2020-16303", "CVE-2020-16304", "CVE-2020-16305", "CVE-2020-16306", "CVE-2020-16307", "CVE-2020-16308", "CVE-2020-16309", "CVE-2020-16310", "CVE-2020-17538");
  script_tag(name:"creation_date", value:"2020-08-21 03:00:24 +0000 (Fri, 21 Aug 2020)");
  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:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-14 17:01:14 +0000 (Fri, 14 Aug 2020)");

  script_name("Debian: Security Advisory (DLA-2335-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 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=DEB9");

  script_xref(name:"Advisory-ID", value:"DLA-2335-1");
  script_xref(name:"URL", value:"https://www.debian.org/lts/security/2020/DLA-2335-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/ghostscript");
  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 'ghostscript' package(s) announced via the DLA-2335-1 advisory.");

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

  script_tag(name:"insight", value:"Multiple vulnerabilities were found in ghostscript, an interpreter for the PostScript language and for PDF, allowing an attacker to escalate privileges and cause denial of service via crafted PS/EPS/PDF files.

For Debian 9 stretch, these problems have been fixed in version 9.26a~dfsg-0+deb9u7.

We recommend that you upgrade your ghostscript packages.

For the detailed security status of ghostscript please refer to its security tracker page at: [link moved to references]

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:"'ghostscript' package(s) on Debian 9.");

  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 == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"ghostscript", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ghostscript-dbg", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ghostscript-doc", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"ghostscript-x", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgs-dev", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgs9", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libgs9-common", ver:"9.26a~dfsg-0+deb9u7", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.9 Medium

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.1%