Vulnerability Name:

CVE-2020-24020 (CCN-202646)

Assigned:2019-07-07
Published:2019-07-07
Updated:2021-05-28
Summary:Buffer Overflow vulnerability in FFMpeg 4.2.3 in dnn_execute_layer_pad in libavfilter/dnn/dnn_backend_native_layer_pad.c due to a call to memcpy without length checks, which could let a remote malicious user execute arbitrary code.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-24020

Source: MISC
Type: Patch, Third Party Advisory
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=584f396132aa19d21bb1e38ad9a5d428869290cb

Source: XF
Type: UNKNOWN
ffmpeg-cve202024020-bo(202646)

Source: CCN
Type: ffmpeg Ticket #8718
Heap buffer overflow in crash_dnn_execute_layer_pad due to integer overflow in memcpy

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://trac.ffmpeg.org/ticket/8718

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ffmpeg:ffmpeg:4.2.3:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:4.2.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ffmpeg ffmpeg 4.2.3
    ffmpeg ffmpeg 4.2.3