Vulnerabilities > CVE-2014-8547 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
libavcodec/gifdec.c in FFmpeg before 2.4.2 does not properly compute image heights, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted GIF data.
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 Debian Local Security Checks NASL id DEBIAN_DSA-3189.NASL description Several security issues have been corrected in multiple demuxers and decoders of the libav multimedia library. A full list of the changes is available at last seen 2020-03-17 modified 2015-03-17 plugin id 81833 published 2015-03-17 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/81833 title Debian DSA-3189-1 : libav - security update code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-3189. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(81833); script_version("1.9"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2014-7933", "CVE-2014-8543", "CVE-2014-8544", "CVE-2014-8547", "CVE-2014-8548", "CVE-2014-9604"); script_bugtraq_id(70876, 70880, 70884, 70888, 72272, 72288); script_xref(name:"DSA", value:"3189"); script_name(english:"Debian DSA-3189-1 : libav - security update"); script_summary(english:"Checks dpkg output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "Several security issues have been corrected in multiple demuxers and decoders of the libav multimedia library. A full list of the changes is available at" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/wheezy/libav" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2015/dsa-3189" ); script_set_attribute( attribute:"solution", value: "Upgrade the libav packages. For the stable distribution (wheezy), these problems have been fixed in version 6:0.8.17-1." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libav"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0"); script_set_attribute(attribute:"patch_publication_date", value:"2015/03/15"); script_set_attribute(attribute:"plugin_publication_date", value:"2015/03/17"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Debian Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("debian_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian"); if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (deb_check(release:"7.0", prefix:"ffmpeg", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"ffmpeg-dbg", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"ffmpeg-doc", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libav-dbg", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libav-doc", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libav-extra-dbg", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libav-tools", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavcodec-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavcodec-extra-53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavcodec53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavdevice-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavdevice-extra-53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavdevice53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavfilter-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavfilter-extra-2", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavfilter2", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavformat-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavformat-extra-53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavformat53", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavutil-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavutil-extra-51", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libavutil51", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libpostproc-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libpostproc-extra-52", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libpostproc52", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libswscale-dev", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libswscale-extra-2", reference:"6:0.8.17-1")) flag++; if (deb_check(release:"7.0", prefix:"libswscale2", reference:"6:0.8.17-1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-2534-1.NASL description It was discovered that Libav incorrectly handled certain malformed media files. If a user were tricked into opening a crafted media file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. 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 81910 published 2015-03-18 reporter Ubuntu Security Notice (C) 2015-2019 Canonical, Inc. / NASL script (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/81910 title Ubuntu 12.04 LTS : libav vulnerabilities (USN-2534-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-2534-1. The text # itself is copyright (C) Canonical, Inc. See # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered # trademark of Canonical, Inc. # include("compat.inc"); if (description) { script_id(81910); script_version("1.5"); script_cvs_date("Date: 2019/09/18 12:31:44"); script_cve_id("CVE-2014-8542", "CVE-2014-8543", "CVE-2014-8544", "CVE-2014-8547", "CVE-2014-8548", "CVE-2014-9604"); script_bugtraq_id(70876, 70880, 70881, 70884, 70888, 72272); script_xref(name:"USN", value:"2534-1"); script_name(english:"Ubuntu 12.04 LTS : libav vulnerabilities (USN-2534-1)"); script_summary(english:"Checks dpkg output for updated packages."); script_set_attribute( attribute:"synopsis", value: "The remote Ubuntu host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "It was discovered that Libav incorrectly handled certain malformed media files. If a user were tricked into opening a crafted media file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. 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." ); script_set_attribute( attribute:"see_also", value:"https://usn.ubuntu.com/2534-1/" ); script_set_attribute( attribute:"solution", value:"Update the affected libavcodec53 and / or libavformat53 packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:ND/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libavcodec53"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libavformat53"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts"); script_set_attribute(attribute:"vuln_publication_date", value:"2014/11/05"); script_set_attribute(attribute:"patch_publication_date", value:"2015/03/17"); script_set_attribute(attribute:"plugin_publication_date", value:"2015/03/18"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2015-2019 Canonical, Inc. / NASL script (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Ubuntu Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("ubuntu.inc"); include("misc_func.inc"); if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/Ubuntu/release"); if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu"); release = chomp(release); if (! preg(pattern:"^(12\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 12.04", "Ubuntu " + release); if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu); flag = 0; if (ubuntu_check(osver:"12.04", pkgname:"libavcodec53", pkgver:"4:0.8.17-0ubuntu0.12.04.1")) flag++; if (ubuntu_check(osver:"12.04", pkgname:"libavformat53", pkgver:"4:0.8.17-0ubuntu0.12.04.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : ubuntu_report_get() ); exit(0); } else { tested = ubuntu_pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libavcodec53 / libavformat53"); }
NASL family Mandriva Local Security Checks NASL id MANDRIVA_MDVSA-2015-173.NASL description Updated ffmpeg packages fix security vulnerabilities : The tak_decode_frame function in libavcodec/takdec.c in FFmpeg before 2.0.4 does not properly validate a certain bits-per-sample value, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted TAK (aka Tom last seen 2020-06-01 modified 2020-06-02 plugin id 82449 published 2015-03-31 reporter This script is Copyright (C) 2015-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/82449 title Mandriva Linux Security Advisory : ffmpeg (MDVSA-2015:173) NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_65B14D39D01F419CB0B85DF60B929973.NASL description Please reference CVE/URL list for details last seen 2020-06-01 modified 2020-06-02 plugin id 83940 published 2015-06-02 reporter This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/83940 title FreeBSD : ffmpeg -- multiple vulnerabilities (65b14d39-d01f-419c-b0b8-5df60b929973) NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201603-06.NASL description The remote host is affected by the vulnerability described in GLSA-201603-06 (FFmpeg: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in FFmpeg. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could possibly execute arbitrary code or cause a Denial of Service condition. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 89899 published 2016-03-14 reporter This script is Copyright (C) 2016 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89899 title GLSA-201603-06 : FFmpeg: Multiple vulnerabilities
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=8f1457864be8fb9653643519dea1c6492f1dde57
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=8f1457864be8fb9653643519dea1c6492f1dde57
- http://www.ffmpeg.org/security.html
- http://www.ffmpeg.org/security.html
- http://www.ubuntu.com/usn/USN-2534-1
- http://www.ubuntu.com/usn/USN-2534-1
- https://security.gentoo.org/glsa/201603-06
- https://security.gentoo.org/glsa/201603-06