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Debian: Security Advisory (DSA-4435-1)

🗓️ 28 Apr 2019 00:00:00Reported by Copyright (C) 2019 Greenbone AGType 
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The remote host is missing an update for the Debian 'libpng1.6' package(s) announced via the DSA-4435-1 advisory. A use-after-free vulnerability was discovered in the png_image_free() function in the libpng PNG library, which could lead to denial of service or potentially the execution of arbitrary code if a malformed image is processed. This problem has been fixed in version 1.6.28-1+deb9u1. We recommend that you upgrade your libpng1.6 packages

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# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.704435");
  script_cve_id("CVE-2019-7317");
  script_tag(name:"creation_date", value:"2019-04-28 02:00:07 +0000 (Sun, 28 Apr 2019)");
  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:"2.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/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:"2019-02-04 17:13:56 +0000 (Mon, 04 Feb 2019)");

  script_name("Debian: Security Advisory (DSA-4435-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 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-4435-1");
  script_xref(name:"URL", value:"https://www.debian.org/security/2019/DSA-4435-1");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4435");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/libpng1.6");

  script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'libpng1.6' package(s) announced via the DSA-4435-1 advisory.");

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

  script_tag(name:"insight", value:"A use-after-free vulnerability was discovered in the png_image_free() function in the libpng PNG library, which could lead to denial of service or potentially the execution of arbitrary code if a malformed image is processed.

For the stable distribution (stretch), this problem has been fixed in version 1.6.28-1+deb9u1.

We recommend that you upgrade your libpng1.6 packages.

For the detailed security status of libpng1.6 please refer to its security tracker page at: [link moved to references]");

  script_tag(name:"affected", value:"'libpng1.6' 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:"libpng-dev", ver:"1.6.28-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpng-tools", ver:"1.6.28-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpng16-16", ver:"1.6.28-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"libpng16-16-udeb", ver:"1.6.28-1+deb9u1", rls:"DEB9"))) {
    report += res;
  }

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

exit(0);

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28 Apr 2019 00:00Current
8.1High risk
Vulners AI Score8.1
CVSS22.6
CVSS35.3
EPSS0.003
34
.json
Report