Vulnerabilities > CVE-2019-12730 - Use of Uninitialized Resource vulnerability in Ffmpeg
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
aa_read_header in libavformat/aadec.c in FFmpeg before 3.2.14 and 4.x before 4.1.4 does not check for sscanf failure and consequently allows use of uninitialized variables.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-4502.NASL description Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed. last seen 2020-06-01 modified 2020-06-02 plugin id 127929 published 2019-08-20 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127929 title Debian DSA-4502-1 : ffmpeg - security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-4502. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(127929); script_version("1.2"); script_cvs_date("Date: 2020/01/02"); script_cve_id("CVE-2019-12730"); script_xref(name:"DSA", value:"4502"); script_name(english:"Debian DSA-4502-1 : ffmpeg - 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 vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed." ); script_set_attribute( attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/ffmpeg" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/buster/ffmpeg" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4502" ); script_set_attribute( attribute:"solution", value: "Upgrade the ffmpeg packages. For the stable distribution (buster), this problem has been fixed in version 7:4.1.4-1~deb10u1." ); 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_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:ffmpeg"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/04"); script_set_attribute(attribute:"patch_publication_date", value:"2019/08/16"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/20"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 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:"10.0", prefix:"ffmpeg", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"ffmpeg-doc", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavcodec-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavcodec-extra", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavcodec-extra58", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavcodec58", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavdevice-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavdevice58", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavfilter-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavfilter-extra", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavfilter-extra7", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavfilter7", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavformat-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavformat58", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavresample-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavresample4", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavutil-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libavutil56", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libpostproc-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libpostproc55", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libswresample-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libswresample3", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libswscale-dev", reference:"7:4.1.4-1~deb10u1")) flag++; if (deb_check(release:"10.0", prefix:"libswscale5", reference:"7:4.1.4-1~deb10u1")) 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 Gentoo Local Security Checks NASL id GENTOO_GLSA-202003-65.NASL description The remote host is affected by the vulnerability described in GLSA-202003-65 (FFmpeg: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in FFmpeg. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could entice a user or automated system using FFmpeg to process a specially crafted file, resulting in the execution of arbitrary code or a Denial of Service. Workaround : There is no known workaround at this time. last seen 2020-04-04 modified 2020-03-31 plugin id 135020 published 2020-03-31 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135020 title GLSA-202003-65 : FFmpeg: Multiple vulnerabilities code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 202003-65. # # The advisory text is Copyright (C) 2001-2020 Gentoo Foundation, Inc. # and licensed under the Creative Commons - Attribution / Share Alike # license. See http://creativecommons.org/licenses/by-sa/3.0/ # include("compat.inc"); if (description) { script_id(135020); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/04/02"); script_cve_id("CVE-2018-10001", "CVE-2018-6912", "CVE-2018-7557", "CVE-2018-7751", "CVE-2018-9841", "CVE-2019-12730", "CVE-2019-13312", "CVE-2019-13390", "CVE-2019-17539", "CVE-2019-17542"); script_xref(name:"GLSA", value:"202003-65"); script_name(english:"GLSA-202003-65 : FFmpeg: Multiple vulnerabilities"); script_summary(english:"Checks for updated package(s) in /var/db/pkg"); script_set_attribute( attribute:"synopsis", value: "The remote Gentoo host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "The remote host is affected by the vulnerability described in GLSA-202003-65 (FFmpeg: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in FFmpeg. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could entice a user or automated system using FFmpeg to process a specially crafted file, resulting in the execution of arbitrary code or a Denial of Service. Workaround : There is no known workaround at this time." ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/202003-65" ); script_set_attribute( attribute:"solution", value: "All FFmpeg 4.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=media-video/ffmpeg-4.2.0'" ); 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_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:ffmpeg"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/02/12"); script_set_attribute(attribute:"patch_publication_date", value:"2020/03/30"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/03/31"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Gentoo Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("qpkg.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo"); if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (qpkg_check(package:"media-video/ffmpeg", unaffected:make_list("ge 4.2.0"), vulnerable:make_list("ge 4"))) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get()); else security_hole(0); exit(0); } else { tested = qpkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "FFmpeg"); }
NASL family SuSE Local Security Checks NASL id SUSE_SU-2019-3184-1.NASL description This update for ffmpeg fixes the following issues : Security issues fixed : CVE-2019-17542: Fixed a heap-buffer overflow in vqa_decode_chunk due to an out-of-array access (bsc#1154064). CVE-2019-12730: Fixed an uninitialized use of variables due to an improper check (bsc#1137526). CVE-2019-9718: Fixed a denial of service in the subtitle decode (bsc#1129715). CVE-2018-13301: Fixed a denial of service while converting a crafted AVI file to MPEG4 (bsc#1100352). Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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 131756 published 2019-12-06 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/131756 title SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2019:3184-1)
References
- https://github.com/FFmpeg/FFmpeg/compare/a97ea53...ba11e40
- https://github.com/FFmpeg/FFmpeg/commit/ed188f6dcdf0935c939ed813cf8745d50742014b
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9b4004c054964a49c7ba44583f4cee22486dd8f2
- https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n4.1.4
- http://www.securityfocus.com/bid/109317
- https://seclists.org/bugtraq/2019/Aug/30
- https://www.debian.org/security/2019/dsa-4502
- https://security.gentoo.org/glsa/202003-65
- https://usn.ubuntu.com/4431-1/