Vulnerability Name:

CVE-2021-24028 (CCN-200217)

Assigned:2021-04-13
Published:2021-04-13
Updated:2021-04-21
Summary:An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
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): High
Integrity (I): High
Availibility (A): High
8.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)
7.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C)
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): Low
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-763
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-24028

Source: XF
Type: UNKNOWN
facebook-thrift-cve202124028-dos(200217)

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/facebook/fbthrift/commit/bfda1efa547dce11a38592820916db01b05b9339

Source: CCN
Type: Facebook Web site
CVE-2021-24028

Source: CONFIRM
Type: Vendor Advisory
https://www.facebook.com/security/advisories/cve-2021-24028

Vulnerable Configuration:Configuration 1:
  • cpe:/a:facebook:thrift:*:*:*:*:*:*:*:* (Version < 2021.02.22.00)

    • * Denotes that component is vulnerable
    BACK
    facebook thrift *