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Vulnerability Details : CVE-2020-12137

GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.
Publish Date : 2020-04-24 Last Update Date : 2020-10-27
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeCross Site Scripting
CWE ID 79

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:4667: mailman:2.1 security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20204667 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-12137

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 Application GNU Mailman * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
GNU Mailman 1

- References For CVE-2020-12137

https://www.openwall.com/lists/oss-security/2020/02/24/3
https://www.openwall.com/lists/oss-security/2020/02/24/2
http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS
http://www.openwall.com/lists/oss-security/2020/04/24/3
MLIST [oss-security] 20200424 Re: mailman 2.x: XSS via file attachments in list archives
https://www.debian.org/security/2020/dsa-4664
DEBIAN DSA-4664
https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html
MLIST [debian-lts-announce] 20200503 [SECURITY] [DLA 2200-1] mailman security update
https://usn.ubuntu.com/4348-1/
UBUNTU USN-4348-1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/
FEDORA FEDORA-2020-69f2f1d987
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/
FEDORA FEDORA-2020-20b748e81e
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html
SUSE openSUSE-SU-2020:1707
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html
SUSE openSUSE-SU-2020:1752

- Metasploit Modules Related To CVE-2020-12137

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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