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CVE-2021-32917

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Date: May 13, 2021

An issue was discovered in Prosody before 0.11.9. The proxy65 component allows open access by default, even if neither of the users has an XMPP account on the local server, allowing unrestricted use of the server's bandwidth.

Language: LUA

Severity Score

Related Resources (17)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
https://security.gentoo.org/glsa/202105-15
http://www.openwall.com/lists/oss-security/2021/05/13/1
http://www.openwall.com/lists/oss-security/2021/05/14/2
https://blog.prosody.im/prosody-0.11.9-released/
https://security.alpinelinux.org/vuln/CVE-2021-32917
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
https://www.debian.org/security/2021/dsa-4916
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-32917
https://nvd.nist.gov/vuln/detail/CVE-2021-32917
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
https://security-tracker.debian.org/tracker/CVE-2021-32917
https://www.mend.io/vulnerability-database/CVE-2021-32917

Severity Score

Weakness Type (CWE)

Missing Authorization

CWE-862

Top Fix

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Upgrade Version

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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