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openvasCopyright (C) 2018 Greenbone AGOPENVAS:1361412562310704293
HistorySep 13, 2018 - 12:00 a.m.

Debian: Security Advisory (DSA-4293-1)

2018-09-1300:00:00
Copyright (C) 2018 Greenbone AG
plugins.openvas.org
27

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.3%

The remote host is missing an update for the Debian

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.704293");
  script_cve_id("CVE-2018-11468", "CVE-2018-11503", "CVE-2018-11504", "CVE-2018-12495");
  script_tag(name:"creation_date", value:"2018-09-13 22:00:00 +0000 (Thu, 13 Sep 2018)");
  script_version("2024-02-02T05:06:06+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-07-27 13:46:15 +0000 (Fri, 27 Jul 2018)");

  script_name("Debian: Security Advisory (DSA-4293-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 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:"DSA-4293-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2018/DSA-4293-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4293");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/discount");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'discount' package(s) announced via the DSA-4293-1 advisory.");

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

  script_tag(name:"insight", value:"Several heap buffer overflows were found in discount, an implementation of the Markdown markup language, that could be triggered with specially crafted Markdown data and would cause discount to read past the end of internal buffers.

For the stable distribution (stretch), these problems have been fixed in version 2.2.2-1+deb9u1.

We recommend that you upgrade your discount packages.

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

  script_tag(name:"affected", value:"'discount' 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:"discount", ver:"2.2.2-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libmarkdown2", ver:"2.2.2-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libmarkdown2-dev", ver:"2.2.2-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.3%