Bugzilla – Bug 1186587
VUL-1: CVE-2020-22020: ffmpeg: Buffer Overflow vulnerability in build_diff_map() in libavfilter/vf_fieldmatch.c
Last modified: 2024-04-19 08:44:16 UTC
CVE-2020-22020 Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-22020 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22020 https://trac.ffmpeg.org/ticket/8239 http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765
tracking as affected: - SUSE:SLE-15:Update/ffmpeg - SUSE:SLE-15-SP2:Update/ffmpeg
ffmpeg 3.4.2 asan: ==28719==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x621000001130 at pc 0x0000006e6280 bp 0x7ffe87655b00 sp 0x7ffe87655af8 READ of size 1 at 0x621000001130 thread T0 #0 0x6e627f in build_diff_map libavfilter/vf_fieldmatch.c:433 #1 0x6e736d in compare_fields libavfilter/vf_fieldmatch.c:540 #2 0x6ea599 in filter_frame libavfilter/vf_fieldmatch.c:737 #3 0x61f4d5 in ff_filter_frame_framed libavfilter/avfilter.c:1142 #4 0x61f4d5 in ff_filter_frame_to_filter libavfilter/avfilter.c:1290 #5 0x61f4d5 in ff_filter_activate_default libavfilter/avfilter.c:1339 #6 0x61f4d5 in ff_filter_activate libavfilter/avfilter.c:1500 #7 0x62f1d7 in push_frame libavfilter/buffersrc.c:181 #8 0x62f1d7 in av_buffersrc_add_frame_internal libavfilter/buffersrc.c:255 #9 0x62f1d7 in av_buffersrc_add_frame_flags libavfilter/buffersrc.c:164 #10 0x5c25f4 in ifilter_send_frame fftools/ffmpeg.c:2216 #11 0x5c25f4 in send_frame_to_filters fftools/ffmpeg.c:2295 #12 0x5c433c in decode_video fftools/ffmpeg.c:2496 #13 0x5c81ff in process_input_packet fftools/ffmpeg.c:2650 #14 0x557a52 in process_input fftools/ffmpeg.c:4450 #15 0x557a52 in transcode_step fftools/ffmpeg.c:4570 #16 0x557a52 in transcode fftools/ffmpeg.c:4624 #17 0x557a52 in main fftools/ffmpeg.c:4830 #18 0x7f52e7da2349 in __libc_start_main (/lib64/libc.so.6+0x24349) #19 0x5703d9 in _start (/build/ffmpeg-3.4.2/ffmpeg_g+0x5703d9) 0x621000001130 is located 0 bytes to the right of 4144-byte region [0x621000000100,0x621000001130) allocated by thread T0 here: #0 0x7f52e8b88038 in posix_memalign (/usr/lib64/libasan.so.4+0xdd038) #1 0x263a8bc in av_malloc libavutil/mem.c:87
https://build.suse.de/request/show/243003
openSUSE-SU-2021:2322-1: An update that fixes 23 vulnerabilities is now available. Category: security (important) Bug References: 1172640,1186406,1186583,1186586,1186587,1186596,1186597,1186598,1186600,1186603,1186604,1186605,1186613,1186614,1186615,1186616,1186658,1186660,1186757,1186758,1186762,1186763 CVE References: CVE-2019-17539,CVE-2020-13904,CVE-2020-20448,CVE-2020-20451,CVE-2020-21041,CVE-2020-22015,CVE-2020-22016,CVE-2020-22017,CVE-2020-22019,CVE-2020-22020,CVE-2020-22021,CVE-2020-22022,CVE-2020-22023,CVE-2020-22025,CVE-2020-22026,CVE-2020-22031,CVE-2020-22032,CVE-2020-22033,CVE-2020-22034,CVE-2020-22038,CVE-2020-22039,CVE-2020-22043,CVE-2020-22044 JIRA References: Sources used: openSUSE Leap 15.3 (src): ffmpeg-3.4.2-11.3.1
SUSE-SU-2021:2322-1: An update that fixes 23 vulnerabilities is now available. Category: security (important) Bug References: 1172640,1186406,1186583,1186586,1186587,1186596,1186597,1186598,1186600,1186603,1186604,1186605,1186613,1186614,1186615,1186616,1186658,1186660,1186757,1186758,1186762,1186763 CVE References: CVE-2019-17539,CVE-2020-13904,CVE-2020-20448,CVE-2020-20451,CVE-2020-21041,CVE-2020-22015,CVE-2020-22016,CVE-2020-22017,CVE-2020-22019,CVE-2020-22020,CVE-2020-22021,CVE-2020-22022,CVE-2020-22023,CVE-2020-22025,CVE-2020-22026,CVE-2020-22031,CVE-2020-22032,CVE-2020-22033,CVE-2020-22034,CVE-2020-22038,CVE-2020-22039,CVE-2020-22043,CVE-2020-22044 JIRA References: Sources used: SUSE Linux Enterprise Workstation Extension 15-SP3 (src): ffmpeg-3.4.2-11.3.1 SUSE Linux Enterprise Workstation Extension 15-SP2 (src): ffmpeg-3.4.2-11.3.1 SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (src): ffmpeg-3.4.2-11.3.1 SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (src): ffmpeg-3.4.2-11.3.1 SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (src): ffmpeg-3.4.2-11.3.1 SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (src): ffmpeg-3.4.2-11.3.1 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
# maintenance_jira_update_notice SUSE-SU-2021:2929-1: An update that fixes 31 vulnerabilities is now available. Category: security (important) Bug References: 1129714,1172640,1186406,1186583,1186586,1186587,1186596,1186597,1186598,1186600,1186603,1186604,1186605,1186613,1186614,1186615,1186616,1186658,1186660,1186757,1186758,1186762,1186763,1186849,1186859,1186861,1186863,1189142,1189348,1189350 CVE References: CVE-2019-17539,CVE-2019-9721,CVE-2020-13904,CVE-2020-20448,CVE-2020-20451,CVE-2020-21041,CVE-2020-21688,CVE-2020-21697,CVE-2020-22015,CVE-2020-22016,CVE-2020-22017,CVE-2020-22019,CVE-2020-22020,CVE-2020-22021,CVE-2020-22022,CVE-2020-22023,CVE-2020-22025,CVE-2020-22026,CVE-2020-22031,CVE-2020-22032,CVE-2020-22033,CVE-2020-22034,CVE-2020-22038,CVE-2020-22039,CVE-2020-22043,CVE-2020-22044,CVE-2020-22046,CVE-2020-22048,CVE-2020-22049,CVE-2020-22054,CVE-2021-38114 JIRA References: Sources used: SUSE Manager Server 4.0 (src): ffmpeg-3.4.2-4.34.2 SUSE Manager Retail Branch Server 4.0 (src): ffmpeg-3.4.2-4.34.2 SUSE Manager Proxy 4.0 (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise Server for SAP 15-SP1 (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise Server for SAP 15 (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise Server 15-SP1-LTSS (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise Server 15-SP1-BCL (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise Server 15-LTSS (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise High Performance Computing 15-LTSS (src): ffmpeg-3.4.2-4.34.2 SUSE Linux Enterprise High Performance Computing 15-ESPOS (src): ffmpeg-3.4.2-4.34.2 SUSE Enterprise Storage 6 (src): ffmpeg-3.4.2-4.34.2 SUSE CaaS Platform 4.0 (src): ffmpeg-3.4.2-4.34.2 NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.