Description

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.

Remediation

References

CVE-2020-12137

Related Vulnerabilities

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IBM WebSEAL Missing Authorization Vulnerability (CVE-2020-4499)

WordPress Plugin Post Views Counter Cross-Site Scripting (1.3.4)

Oracle Database Server Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2003-0095)

Severity

Medium

Classification

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

Tags

Missing Update Known Vulnerabilities CWE-707 CVE-2020-12137