Vulnerabilities > CVE-2018-6612 - Integer Underflow (Wrap or Wraparound) vulnerability in Jhead Project Jhead 3.0

047910
CVSS 5.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
jhead-project
CWE-191
nessus
NVD
Published: 2018-02-04
Updated: 2024-11-21

Summary

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

Vulnerable Configurations

Part Description Count
Application
Jhead_Project
1

Common Weakness Enumeration (CWE)

Nessus

NASL familySuSE Local Security Checks
NASL idOPENSUSE-2018-155.NASL
descriptionThis update for jhead fixes the following issues : - CVE-2018-6612: Fixed a heap-based buffer over-read (boo#1079349 CVE-2018-6612)
last seen2020-06-05
modified2018-02-12
plugin id106742
published2018-02-12
reporterThis script is Copyright (C) 2018-2020 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/106742
titleopenSUSE Security Update : jhead (openSUSE-2018-155)
code
#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2018-155.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(106742);
  script_version("3.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2018-6612");

  script_name(english:"openSUSE Security Update : jhead (openSUSE-2018-155)");
  script_summary(english:"Check for the openSUSE-2018-155 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for jhead fixes the following issues :

  - CVE-2018-6612: Fixed a heap-based buffer over-read
    (boo#1079349 CVE-2018-6612)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1079349"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected jhead packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:jhead");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:jhead-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:jhead-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.3");

  script_set_attribute(attribute:"patch_publication_date", value:"2018/02/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/12");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2020 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE42\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.3", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE42.3", reference:"jhead-3.00-8.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"jhead-debuginfo-3.00-8.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"jhead-debugsource-3.00-8.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "jhead / jhead-debuginfo / jhead-debugsource");
}

References