Vulnerability Name:

CVE-2020-6070 (CCN-186503)

Assigned:2020-04-09
Published:2020-04-09
Updated:2022-06-07
Summary:An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/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): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-131
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-6070

Source: XF
Type: UNKNOWN
f2fstools-cve20206070-code-exec(186503)

Source: CCN
Type: f2fs-tools GIT Repository
f2fs-tools

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-a0b24e9377

Source: CCN
Type: Talos Vulnerability Report TALOS-2020-0988
F2fs-tools fsck.f2fs sanity_check_area_boundary code execution vulnerability

Source: MISC
Type: Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f2fs-tools_project:f2fs-tools:1.12.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:f2fs-tools_project:f2fs-tools:1.12.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f2fs-tools_project f2fs-tools 1.12.0
    fedoraproject fedora 33
    f2fs-tools_project f2fs-tools 1.12.0