Lucene search

K
redhatRedHatRHSA-2021:4838
HistoryNov 24, 2021 - 8:16 a.m.

(RHSA-2021:4838) Important: mailman:2.1 security update

2021-11-2408:16:27
access.redhat.com
29
mailman program
csrf token bypass
account takeover
offline brute-force attack
cve-2021-42097
cve-2021-42096
e-mail discussion lists

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS3

8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS

0.004

Percentile

71.9%

Mailman is a program used to help manage e-mail discussion lists.

Security Fix(es):

  • mailman: CSRF token bypass allows to perform CSRF attacks and account takeover (CVE-2021-42097)

  • mailman: CSRF token derived from admin password allows offline brute-force attack (CVE-2021-42096)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS3

8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS

0.004

Percentile

71.9%