Vulnerability CVE-2020-26797

Vulnerability Name:

CVE-2020-26797 (CCN-198528)

Assigned:

2020-10-31

Published:

2020-10-31

Updated:

2022-01-01

Summary:

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None 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:U/RC:R)

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:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None 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-787

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2020-26797

Source: XF
Type: UNKNOWN
mediainfo-cve202026797-bo(198528)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-3b67623d93

Source: CCN
Type: MediaInfo Web site
MediaInfo - MediaArea

Source: CCN
Type: SourceForge MediaInfo Project
#1154 heap overflow in MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://sourceforge.net/p/mediainfo/bugs/1154/

Vulnerable Configuration:

Configuration 1:

cpe:/a:mediaarea:mediainfo:*:*:*:*:*:*:*:* (Version < 20.08)

Configuration 2:

cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Denotes that component is vulnerable

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