In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2929-1 advisory.

    - CVE-2019-9721: Fixed a denial of service in the subtitle decoder in handle_open_brace from     libavcodec/htmlsubtitles.c (bsc#1129714).
    - CVE-2020-22046: Fixed a denial of service vulnerability due to a memory leak in the     avpriv_float_dsp_allocl function in libavutil/float_dsp.c (bsc#1186849).
    - CVE-2020-22048: Fixed a denial of service vulnerability due to a memory leak in the ff_frame_pool_get     function in framepool.c (bsc#1186859).
    - CVE-2020-22049: Fixed a denial of service vulnerability caused by a memory leak in the     wtvfile_open_sector function in wtvdec.c (bsc#1186861).
    - CVE-2020-22054: Fixed a denial of service vulnerability due to a memory leak in the av_dict_set function     in dict.c (bsc#1186863).
    - CVE-2020-13904: Fixed use-after-free via a crafted EXTINF duration in an m3u8 file (bsc#1172640).
    - CVE-2020-21041: Fixed buffer overflow vulnerability via apng_do_inverse_blend in libavcodec/pngenc.c     (bsc#1186406).
    - CVE-2019-17539: Fixed NULL pointer dereference in avcodec_open2 in libavcodec/utils.c (bsc# 1154065).
    - CVE-2020-22026: Fixed buffer overflow vulnerability in config_input() at libavfilter/af_tremolo.c     (bsc#1186583).
    - CVE-2020-22021: Fixed buffer overflow vulnerability in filter_edges function in libavfilter/vf_yadif.c     (bsc#1186586).
    - CVE-2020-22020: Fixed buffer overflow vulnerability in build_diff_map() in libavfilter/vf_fieldmatch.c     (bsc#1186587).
    - CVE-2020-22015: Fixed buffer overflow vulnerability in mov_write_video_tag() due to the out of bounds in     libavformat/movenc.c (bsc#1186596).
    - CVE-2020-22016: Fixed a heap-based Buffer Overflow vulnerability at libavcodec/get_bits.h when writing     .mov files (bsc#1186598).
    - CVE-2020-22017: Fixed a heap-based Buffer Overflow vulnerability in ff_fill_rectangle() in     libavfilter/drawutils.c (bsc#1186600).
    - CVE-2020-22022: Fixed a heap-based Buffer Overflow vulnerability in filter_frame at     libavfilter/vf_fieldorder.c (bsc#1186603).
    - CVE-2020-22023: Fixed a heap-based Buffer Overflow vulnerability in filter_frame at     libavfilter/vf_bitplanenoise.c (bsc#1186604)
    - CVE-2020-22025: Fixed a heap-based Buffer Overflow vulnerability in gaussian_blur at     libavfilter/vf_edgedetect.c (bsc#1186605).
    - CVE-2020-22031: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_w3fdif.c in     filter16_complex_low() (bsc#1186613).
    - CVE-2020-22032: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_edgedetect.c in     gaussian_blur() (bsc#1186614).
    - CVE-2020-22034: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_floodfill.c     (bsc#1186616).
    - CVE-2020-20451: Fixed denial of service issue due to resource management errors via fftools/cmdutils.c     (bsc#1186658).
    - CVE-2020-20448: Fixed divide by zero issue via libavcodec/ratecontrol.c (bsc#1186660).
    - CVE-2020-22038: Fixed denial of service vulnerability due to a memory leak in the     ff_v4l2_m2m_create_context function in v4l2_m2m.c (bsc#1186757).
    - CVE-2020-22039: Fixed denial of service vulnerability due to a memory leak in the inavi_add_ientry     function (bsc#1186758).
    - CVE-2020-22043: Fixed denial of service vulnerability due to a memory leak at the fifo_alloc_common     function in libavutil/fifo.c (bsc#1186762).
    - CVE-2020-22044: Fixed denial of service vulnerability due to a memory leak in the     url_open_dyn_buf_internal function in libavformat/aviobuf.c (bsc#1186763).
    - CVE-2020-22033,CVE-2020-22019: Fixed a heap-based Buffer Overflow Vulnerability at     libavfilter/vf_vmafmotion.c in convolution_y_8bit() and in convolution_y_10bit() in     libavfilter/vf_vmafmotion.c (bsc#1186615, bsc#1186597).
    - CVE-2020-21688: Fixed a heap-use-after-free in the av_freep function in libavutil/mem.c (bsc#1189348).
    - CVE-2020-21697: Fixed a heap-use-after-free in the mpeg_mux_write_packet function in     libavformat/mpegenc.c (bsc#1189350).
    - CVE-2021-38114: Fixed a not checked return value of the init_vlc function (bsc#1189142).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly     unspecified other impact when there is no valid close function pointer. (CVE-2019-17539)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly
    unspecified other impact when there is no valid close function pointer. (CVE-2019-17539)

  - FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access
    in vqa_decode_init in libavcodec/vqavideo.c. (CVE-2019-17542)

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - 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. (CVE-2019-12730)

  - In FFmpeg 4.1.3, there is a division by zero at adx_write_trailer in libavformat/rawenc.c.
    (CVE-2019-13390)

  - In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly
    unspecified other impact when there is no valid close function pointer. (CVE-2019-17539)

  - FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access
    in vqa_decode_init in libavcodec/vqavideo.c. (CVE-2019-17542)

  - FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because
    parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in
    av_probe_input_format3 in libavformat/format.c. (CVE-2020-13904)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2322-1 advisory.

  - In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly     unspecified other impact when there is no valid close function pointer. (CVE-2019-17539)

  - FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because     parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in     av_probe_input_format3 in libavformat/format.c. (CVE-2020-13904)

  - FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, which allows a remote     malicious user to cause a Denial of Service. (CVE-2020-20448)

  - Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c.
    (CVE-2020-20451)

  - Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which     could let a remote malicious user cause a Denial of Service (CVE-2020-21041)

  - Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in     libavformat/movenc.c, which could let a remote malicious user obtain sensitive information, cause a Denial     of Service, or execute arbitrary code. (CVE-2020-22015)

  - A heap-based Buffer Overflow vulnerability in FFmpeg 4.2 at libavcodec/get_bits.h when writing .mov files,     which might lead to memory corruption and other potential consequences. (CVE-2020-22016)

  - A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in     libavfilter/drawutils.c, which might lead to memory corruption and other potential consequences.
    (CVE-2020-22017)

  - Buffer Overflow vulnerability in FFmpeg 4.2 at convolution_y_10bit in libavfilter/vf_vmafmotion.c, which     could let a remote malicious user cause a Denial of Service. (CVE-2020-22019)

  - 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. (CVE-2020-22020)

  - Buffer Overflow vulnerability in FFmpeg 4.2 at filter_edges function in libavfilter/vf_yadif.c, which     could let a remote malicious user cause a Denial of Service. (CVE-2020-22021)

  - A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at     libavfilter/vf_fieldorder.c, which might lead to memory corruption and other potential consequences.
    (CVE-2020-22022)

  - A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at     libavfilter/vf_bitplanenoise.c, which might lead to memory corruption and other potential consequences.
    (CVE-2020-22023)

  - A heap-based Buffer Overflow vulnerability exists in gaussian_blur at libavfilter/vf_edgedetect.c, which     might lead to memory corruption and other potential consequences. (CVE-2020-22025)

  - Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at     libavfilter/af_tremolo.c, which could let a remote malicious user cause a Denial of Service.
    (CVE-2020-22026)

  - A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in     filter16_complex_low, which might lead to memory corruption and other potential consequences.
    (CVE-2020-22031)

  - A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in     gaussian_blur, which might lead to memory corruption and other potential consequences. (CVE-2020-22032)

  - A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in     convolution_y_8bit, which could let a remote malicious user cause a Denial of Service. (CVE-2020-22033)

  - A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might     lead to memory corruption and other potential consequences. (CVE-2020-22034)

  - A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the     ff_v4l2_m2m_create_context function in v4l2_m2m.c. (CVE-2020-22038)

  - A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the inavi_add_ientry     function. (CVE-2020-22039)

  - A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak at the fifo_alloc_common     function in libavutil/fifo.c. (CVE-2020-22043)

  - A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the     url_open_dyn_buf_internal function in libavformat/aviobuf.c. (CVE-2020-22044)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2322-1 advisory.

    - CVE-2020-13904: Fixed use-after-free via a crafted EXTINF duration in an m3u8 file (bsc#1172640).
    - CVE-2020-21041: Fixed buffer overflow vulnerability via apng_do_inverse_blend in libavcodec/pngenc.c     (bsc#1186406).
    - CVE-2019-17539: Fixed NULL pointer dereference in avcodec_open2 in libavcodec/utils.c (bsc# 1154065).
    - CVE-2020-22026: Fixed buffer overflow vulnerability in config_input() at libavfilter/af_tremolo.c     (bsc#1186583).
    - CVE-2020-22021: Fixed buffer overflow vulnerability in filter_edges function in libavfilter/vf_yadif.c     (bsc#1186586).
    - CVE-2020-22020: Fixed buffer overflow vulnerability in build_diff_map() in libavfilter/vf_fieldmatch.c     (bsc#1186587).
    - CVE-2020-22015: Fixed buffer overflow vulnerability in mov_write_video_tag() due to the out of bounds in     libavformat/movenc.c (bsc#1186596).
    - CVE-2020-22016: Fixed a heap-based Buffer Overflow vulnerability at libavcodec/get_bits.h when writing     .mov files (bsc#1186598).
    - CVE-2020-22017: Fixed a heap-based Buffer Overflow vulnerability in ff_fill_rectangle() in     libavfilter/drawutils.c (bsc#1186600).
    - CVE-2020-22022: Fixed a heap-based Buffer Overflow vulnerability in filter_frame at     libavfilter/vf_fieldorder.c (bsc#1186603).
    - CVE-2020-22023: Fixed a heap-based Buffer Overflow vulnerability in filter_frame at     libavfilter/vf_bitplanenoise.c (bsc#1186604)
    - CVE-2020-22025: Fixed a heap-based Buffer Overflow vulnerability in gaussian_blur at     libavfilter/vf_edgedetect.c (bsc#1186605).
    - CVE-2020-22031: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_w3fdif.c in     filter16_complex_low() (bsc#1186613).
    - CVE-2020-22032: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_edgedetect.c in     gaussian_blur() (bsc#1186614).
    - CVE-2020-22034: Fixed a heap-based Buffer Overflow vulnerability at libavfilter/vf_floodfill.c     (bsc#1186616).
    - CVE-2020-20451: Fixed denial of service issue due to resource management errors via fftools/cmdutils.c     (bsc#1186658).
    - CVE-2020-20448: Fixed divide by zero issue via libavcodec/ratecontrol.c (bsc#1186660).
    - CVE-2020-22038: Fixed denial of service vulnerability due to a memory leak in the     ff_v4l2_m2m_create_context function in v4l2_m2m.c (bsc#1186757).
    - CVE-2020-22039: Fixed denial of service vulnerability due to a memory leak in the inavi_add_ientry     function (bsc#1186758).
    - CVE-2020-22043: Fixed denial of service vulnerability due to a memory leak at the fifo_alloc_common     function in libavutil/fifo.c (bsc#1186762).
    - CVE-2020-22044: Fixed denial of service vulnerability due to a memory leak in the     url_open_dyn_buf_internal function in libavformat/aviobuf.c (bsc#1186763).
    - CVE-2020-22033,CVE-2020-22019: Fixed a heap-based Buffer Overflow Vulnerability at     libavfilter/vf_vmafmotion.c in convolution_y_8bit() and in convolution_y_10bit() in     libavfilter/vf_vmafmotion.c (bsc#1186615, bsc#1186597).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Two vulnerabilities have been discovered in ffmpeg, a widely used multimedia framework.

CVE-2019-17539

a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer

CVE-2020-35965

an out-of-bounds write because of errors in calculations of when to perform memset zero operations

For Debian 9 stretch, these problems have been fixed in version 7:3.2.15-0+deb9u2.

We recommend that you upgrade your ffmpeg packages.

For the detailed security status of ffmpeg please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/ffmpeg

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4431-1 advisory.

    It was discovered that FFmpeg incorrectly verified empty audio packets or HEVC data. An attacker could     possibly use this issue to cause a denial of service via a crafted file. This issue only affected Ubuntu     16.04 LTS, as it was already fixed in Ubuntu 18.04 LTS. For more information see:
    https://usn.ubuntu.com/usn/usn-3967-1 (CVE-2018-15822, CVE-2019-11338)

    It was discovered that FFmpeg incorrectly handled sscanf failures. An attacker could possibly use this     issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS     and Ubuntu 18.04 LTS. (CVE-2019-12730)

    It was discovered that FFmpeg incorrectly handled certain WEBM files. An attacker could possibly use this     issue to obtain sensitive data or other unspecified impact. This issue only affected Ubuntu 20.04 LTS.
    (CVE-2019-13312)

    It was discovered that FFmpeg incorrectly handled certain AVI files. An attacker could possibly use this     issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS     and Ubuntu 18.04 LTS. (CVE-2019-13390)

    It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue     to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS.
    (CVE-2019-17539)

    It was discovered that FFmpeg incorrectly handled certain input during decoding of VQA files. An attacker     could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only     affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-17542)

    It was discovered that FFmpeg incorrectly handled certain JPEG files. An attacker could possibly use this     issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 20.04     LTS. (CVE-2020-12284)

    It was discovered that FFmpeg incorrectly handled certain M3U8 files. An attacker could possibly use this     issue to obtain sensitive information or other unspecified impact. (CVE-2020-13904)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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.

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.

ID	Name	Product	Family	Severity
322833	SUSE SLES15: libavcodec-devel / libavcodec57 / libavcodec57-32bit / etc (SUSE-SU-2021:2929-1)	Nessus	SuSE Local Security Checks	critical
256214	Linux Distros Unpatched Vulnerability : CVE-2019-17539	Nessus	Misc.	critical
427161	Alpine: ffmpeg4: security update to 4.2-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
427161	Alpine: ffmpeg4: security update to 4.2-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
404318	Alpine: multiple ffmpeg packages: security update to 4.2-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
404318	Alpine: multiple ffmpeg packages: security update to 4.2-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
404316	Alpine: multiple ffmpeg packages: security update to 4.1.5-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
404316	Alpine: multiple ffmpeg packages: security update to 4.1.5-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
404311	Alpine: multiple ffmpeg packages: security update to 4.0.6-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
404311	Alpine: multiple ffmpeg packages: security update to 4.0.6-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
151738	openSUSE 15 Security Update : ffmpeg (openSUSE-SU-2021:2322-1)	Nessus	SuSE Local Security Checks	critical
151651	SUSE SLED15: ffmpeg / libavcodec-devel / libavcodec57 / libavdevice57 / etc (SUSE-SU-2021:2322-1)	Nessus	SuSE Local Security Checks	critical
145724	Debian DLA-2537-1 : ffmpeg security update	Nessus	Debian Local Security Checks	critical
138875	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : FFmpeg vulnerabilities (USN-4431-1)	Nessus	Ubuntu Local Security Checks	critical
138365	Debian DSA-4722-1 : ffmpeg - security update	Nessus	Debian Local Security Checks	critical
135020	GLSA-202003-65 : FFmpeg: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical

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CVE-2019-17539

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