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openvasCopyright (C) 2020 Greenbone AGOPENVAS:1361412562310704666
HistoryApr 30, 2020 - 12:00 a.m.

Debian: Security Advisory (DSA-4666-1)

2020-04-3000:00:00
Copyright (C) 2020 Greenbone AG
plugins.openvas.org
44

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.124

Percentile

95.4%

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("1.3.6.1.4.1.25623.1.0.704666");
  script_cve_id("CVE-2020-12243");
  script_tag(name:"creation_date", value:"2020-04-30 03:00:32 +0000 (Thu, 30 Apr 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:"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:"2020-05-08 15:31:01 +0000 (Fri, 08 May 2020)");

  script_name("Debian: Security Advisory (DSA-4666-1)");
  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=DEB(10|9)");

  script_xref(name:"Advisory-ID", value:"DSA-4666-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2020/DSA-4666-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4666");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/openldap");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'openldap' package(s) announced via the DSA-4666-1 advisory.");

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

  script_tag(name:"insight", value:"A vulnerability was discovered in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol. LDAP search filters with nested boolean expressions can result in denial of service (slapd daemon crash).

For the oldstable distribution (stretch), this problem has been fixed in version 2.4.44+dfsg-5+deb9u4.

For the stable distribution (buster), this problem has been fixed in version 2.4.47+dfsg-3+deb10u2.

We recommend that you upgrade your openldap packages.

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

  script_tag(name:"affected", value:"'openldap' package(s) on Debian 9, Debian 10.");

  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 == "DEB10") {

  if(!isnull(res = isdpkgvuln(pkg:"ldap-utils", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap-2.4-2", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap-common", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap2-dev", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd-contrib", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd-smbk5pwd", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapi-dev", ver:"2.4.47+dfsg-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

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

if(release == "DEB9") {

  if(!isnull(res = isdpkgvuln(pkg:"ldap-utils", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap-2.4-2", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap-2.4-2-dbg", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap-common", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libldap2-dev", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd-dbg", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"slapd-smbk5pwd", ver:"2.4.44+dfsg-5+deb9u4", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.124

Percentile

95.4%