Vulnerability Name:

CVE-2021-31879 (CCN-201069)

Assigned:2021-02-04
Published:2021-02-04
Updated:2022-05-13
Summary:GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/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): Low
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-601
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-31879

Source: XF
Type: UNKNOWN
gnu-wget-cve202131879-sec-bypass(201069)

Source: CCN
Type: GNU Mailing List, Thu, 4 Feb 2021 11:39:19 -0500
Re: Wget passes Authorization header cross-domain upon redirect

Source: MISC
Type: Mailing List, Vendor Advisory
https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210618-0002/

Source: CCN
Type: GNU Web site
Wget

Source: CCN
Type: IBM Security Bulletin 6567457 (QRadar Network Security)
IBM QRadar Network Security is affected by Wget vulnerability (CVE-2021-31879)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-31879

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:wget:*:*:*:*:*:*:*:* (Version <= 1.21.1)

  • Configuration 2:
  • cpe:/o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/a:netapp:cloud_backup:-:*:*:*:*:*:*:*
  • OR cpe:/a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:netapp:a250_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:a250:-:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/o:netapp:500f_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:500f:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:ibm:qradar_network_security:5.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_network_security:5.5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    gnu wget *
    broadcom brocade fabric operating system firmware -
    netapp cloud backup -
    netapp ontap select deploy administration utility -
    netapp a250 firmware -
    netapp a250 -
    netapp 500f firmware -
    netapp 500f -
    ibm qradar network security 5.4.0
    ibm qradar network security 5.5.0