Vulnerabilities > CVE-2016-3993 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Off-by-one error in the __imlib_MergeUpdate function in lib/updates.c in imlib2 before 1.4.9 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted coordinates.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
- Client-side Injection-induced Buffer Overflow This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
- Filter Failure through Buffer Overflow In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
- MIME Conversion An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2016-600.NASL description This imlib2 update to version 1.4.9 fixes the following issues : Security issues fixed : - CVE-2011-5326: divide by 0 when drawing an ellipse of height 1 (boo#974202) - CVE-2014-9762: segmentation fault on images without colormap (boo#963796) - CVE-2014-9764: segmentation fault when opening specifically crafted input (boo#963797) - CVE-2014-9763: division-by-zero crashes when opening images (boo#963800) - CVE-2014-9771: exploitable integer overflow in _imlib_SaveImage (boo#974854) - CVE-2016-3994: imlib2/evas Potential DOS in giflib loader (boo#973759) - CVE-2016-3993: off by 1 Potential DOS (boo#973761) - CVE-2016-4024: integer overflow resulting in insufficient heap allocation (boo#975703) last seen 2020-06-05 modified 2016-05-20 plugin id 91270 published 2016-05-20 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/91270 title openSUSE Security Update : imlib2 (openSUSE-2016-600) 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-2016-600. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(91270); script_version("2.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2011-5326", "CVE-2014-9762", "CVE-2014-9763", "CVE-2014-9764", "CVE-2014-9771", "CVE-2016-3993", "CVE-2016-3994", "CVE-2016-4024"); script_name(english:"openSUSE Security Update : imlib2 (openSUSE-2016-600)"); script_summary(english:"Check for the openSUSE-2016-600 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This imlib2 update to version 1.4.9 fixes the following issues : Security issues fixed : - CVE-2011-5326: divide by 0 when drawing an ellipse of height 1 (boo#974202) - CVE-2014-9762: segmentation fault on images without colormap (boo#963796) - CVE-2014-9764: segmentation fault when opening specifically crafted input (boo#963797) - CVE-2014-9763: division-by-zero crashes when opening images (boo#963800) - CVE-2014-9771: exploitable integer overflow in _imlib_SaveImage (boo#974854) - CVE-2016-3994: imlib2/evas Potential DOS in giflib loader (boo#973759) - CVE-2016-3993: off by 1 Potential DOS (boo#973761) - CVE-2016-4024: integer overflow resulting in insufficient heap allocation (boo#975703)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963796" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963797" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=963800" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=973759" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=973761" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=974202" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=974854" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=975703" ); script_set_attribute( attribute:"solution", value:"Update the affected imlib2 packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-filters"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-filters-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-loaders"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:imlib2-loaders-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libImlib2-1"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libImlib2-1-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.2"); script_set_attribute(attribute:"patch_publication_date", value:"2016/05/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2016/05/20"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2016-2020 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 !~ "^(SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.2", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-debuginfo-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-debugsource-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-devel-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-filters-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-filters-debuginfo-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-loaders-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"imlib2-loaders-debuginfo-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"libImlib2-1-1.4.9-17.4.1") ) flag++; if ( rpm_check(release:"SUSE13.2", reference:"libImlib2-1-debuginfo-1.4.9-17.4.1") ) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "imlib2 / imlib2-debuginfo / imlib2-debugsource / imlib2-devel / etc"); }NASL family Fedora Local Security Checks NASL id FEDORA_2016-FF070E8FAA.NASL description A new upstream update fixing several vulnerabilities. See the bug list for more information. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-07-14 plugin id 92218 published 2016-07-14 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92218 title Fedora 23 : imlib2 (2016-ff070e8faa) NASL family Fedora Local Security Checks NASL id FEDORA_2016-AD6005BA92.NASL description A new upstream update fixing several vulnerabilities. See the bug list for more information. ---- Rebase to the new upstream bugfix-only version. Add security fixes for the referenced bugs. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-07-14 plugin id 92141 published 2016-07-14 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92141 title Fedora 24 : imlib2 (2016-ad6005ba92) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3555.NASL description Several vulnerabilities were discovered in imlib2, an image manipulation library. - CVE-2011-5326 Kevin Ryde discovered that attempting to draw a 2x1 radi ellipse results in a floating point exception. - CVE-2014-9771 It was discovered that an integer overflow could lead to invalid memory reads and unreasonably large memory allocations. - CVE-2016-3993 Yuriy M. Kaminskiy discovered that drawing using coordinates from an untrusted source could lead to an out-of-bound memory read, which in turn could result in an application crash. - CVE-2016-3994 Jakub Wilk discovered that a malformed image could lead to an out-of-bound read in the GIF loader, which may result in an application crash or information leak. - CVE-2016-4024 Yuriy M. Kaminskiy discovered an integer overflow that could lead to an insufficient heap allocation and out-of-bound memory write. last seen 2020-06-01 modified 2020-06-02 plugin id 90687 published 2016-04-25 reporter This script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/90687 title Debian DSA-3555-1 : imlib2 - security update NASL family Fedora Local Security Checks NASL id FEDORA_2016-B4212484D5.NASL description A new upstream update fixing several vulnerabilities. See the bug list for more information. ---- Rebase to the new upstream bugfix-only version. Add security fixes for the referenced bugs. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-07-14 plugin id 92147 published 2016-07-14 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92147 title Fedora 22 : imlib2 (2016-b4212484d5) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3075-1.NASL description Jakub Wilk discovered an out of bounds read in the GIF loader implementation in Imlib2. An attacker could use this to cause a denial of service (application crash) or possibly obtain sensitive information. (CVE-2016-3994) Yuriy M. Kaminskiy discovered an off-by-one error when handling coordinates in Imlib2. An attacker could use this to cause a denial of service (application crash). (CVE-2016-3993) Yuriy M. Kaminskiy discovered that integer overflows existed in Imlib2 when handling images with large dimensions. An attacker could use this to cause a denial of service (memory exhaustion or application crash). (CVE-2014-9771, CVE-2016-4024) Kevin Ryde discovered that the ellipse drawing code in Imlib2 would attempt to divide by zero when drawing a 2x1 ellipse. An attacker could use this to cause a denial of service (application crash). (CVE-2011-5326) It was discovered that Imlib2 did not properly handled GIF images without colormaps. An attacker could use this to cause a denial of service (application crash). This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-9762) It was discovered that Imlib2 did not properly handle some PNM images, leading to a division by zero. An attacker could use this to cause a denial of service (application crash). This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-9763) It was discovered that Imlib2 did not properly handle error conditions when loading some GIF images. An attacker could use this to cause a denial of service (application crash). This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-9764). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 93399 published 2016-09-09 reporter Ubuntu Security Notice (C) 2016-2019 Canonical, Inc. / NASL script (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/93399 title Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS : imlib2 vulnerabilities (USN-3075-1)
References
- https://git.enlightenment.org/legacy/imlib2.git/commit/?id=ce94edca1ccfbe314cb7cd9453433fad404ec7ef
- https://sourceforge.net/p/enlightenment/mailman/message/35055012/
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819818
- http://www.debian.org/security/2016/dsa-3555
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00076.html