OPENSUSE-SU-2021:1436-1

Vulnerability from csaf_opensuse - Published: 2021-11-02 09:25 - Updated: 2026-09-20 19:30
Summary
Security update for mailman
Severity
Important
Notes
Title of the patch: Security update for mailman
Description of the patch: This update for mailman fixes the following issues: Update to 2.1.35 to fix 2 security issues: - A potential for for a list member to carry out an off-line brute force attack to obtain the list admin password has been reported by Andre Protas, Richard Cloke and Andy Nuttall of Apple. This is fixed. CVE-2021-42096 (boo#1191959, LP:#1947639) - A CSRF attack via the user options page could allow takeover of a users account. This is fixed. CVE-2021-42097 (boo#1191960, LP:#1947640) - make package build reproducible (boo#1047218)
Patchnames: openSUSE-2021-1436
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-42096
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.2:mailman-0:2.1.35-lp152.7.6.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2021-42097
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Recommended 1 product, the same list as for CVE-2021-42096
Threats
Impact moderate
References
To clipboard 

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        "text": "This update for mailman fixes the following issues:\n\nUpdate to 2.1.35 to fix 2 security issues: \n\n- A potential for for a list member to carry out an off-line brute force\n  attack to obtain the list admin password has been reported by Andre\n  Protas, Richard Cloke and Andy Nuttall of Apple.  This is fixed.\n  CVE-2021-42096  (boo#1191959, LP:#1947639)\n \n- A CSRF attack via the user options page could allow takeover of a users\n  account.  This is fixed.  CVE-2021-42097  (boo#1191960, LP:#1947640)\n- make package build reproducible (boo#1047218)\n",
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          "text": "https://www.suse.com/security/cve/CVE-2021-42096"
        }
      ],
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        {
          "category": "general",
          "text": "GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.",
          "title": "CVE description"
        }
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          "text": "GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged user account, and then use that value in a CSRF attack against an admin (e.g., for account takeover).",
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      "title": "CVE-2021-42097"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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