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openvasCopyright (C) 2020 Greenbone AGOPENVAS:1361412562310704777
HistoryOct 23, 2020 - 12:00 a.m.

Debian: Security Advisory (DSA-4777-1)

2020-10-2300:00:00
Copyright (C) 2020 Greenbone AG
plugins.openvas.org
9
debian
freetype
package
cve-2020-15999
buffer overflow
vulnerability
update
buster
debian 10

CVSS2

4.3

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.028

Percentile

90.8%

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("1.3.6.1.4.1.25623.1.0.704777");
  script_cve_id("CVE-2020-15999");
  script_tag(name:"creation_date", value:"2020-10-23 03:00:10 +0000 (Fri, 23 Oct 2020)");
  script_version("2024-08-08T05:05:41+0000");
  script_tag(name:"last_modification", value:"2024-08-08 05:05:41 +0000 (Thu, 08 Aug 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:3.1/AV:N/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:"2020-11-04 00:40:29 +0000 (Wed, 04 Nov 2020)");

  script_name("Debian: Security Advisory (DSA-4777-1)");
  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=DEB10");

  script_xref(name:"Advisory-ID", value:"DSA-4777-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2020/DSA-4777-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4777");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/freetype");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'freetype' package(s) announced via the DSA-4777-1 advisory.");

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

  script_tag(name:"insight", value:"Sergei Glazunov discovered a heap-based buffer overflow vulnerability in the handling of embedded PNG bitmaps in FreeType. Opening malformed fonts may result in denial of service or the execution of arbitrary code.

For the stable distribution (buster), this problem has been fixed in version 2.9.1-3+deb10u2.

We recommend that you upgrade your freetype packages.

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

  script_tag(name:"affected", value:"'freetype' package(s) on 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");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");

  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:"freetype2-demos", ver:"2.9.1-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"freetype2-doc", ver:"2.9.1-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libfreetype6", ver:"2.9.1-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libfreetype6-dev", ver:"2.9.1-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libfreetype6-udeb", ver:"2.9.1-3+deb10u2", rls:"DEB10"))) {
    report += res;
  }

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

exit(0);

CVSS2

4.3

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.028

Percentile

90.8%