CVE-2021-32917: Medium severity Prosody prosody vulnerability

Published May 13, 2021
·
Updated

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.

Affected Software

20 affected componentsFixes available
debian/prosody
0.11.2-1+deb10u40.11.9-2+deb11u20.12.3-10.12.4-1
Prosody prosody<0.11.9
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0
alpine/prosody<0.11.9-r0
0.11.9-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/prosody to a version that resolves this vulnerability.

    Fixed in 0.11.2-1+deb10u4Fixed in 0.11.9-2+deb11u2Fixed in 0.12.3-1Fixed in 0.12.4-1
  2. Upgrade

    Upgrade alpine/prosody to a version that resolves this vulnerability.

    Fixed in 0.11.9-r0
  3. Upgrade

    Upgrade Prosody to a version that resolves this vulnerability.

    Fixed in 0.11.9

Event History

May 13, 2021
CVE Published
via MITRE·03:10 PM
Data Sourced
via MITRE·03:10 PM
Description
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·04:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID is CVE-2021-32917.

2

What is the severity of CVE-2021-32917?

The severity of CVE-2021-32917 is medium.

3

What is the affected software for CVE-2021-32917?

The affected software for CVE-2021-32917 is Prosody.

4

How can I fix CVE-2021-32917?

You can fix CVE-2021-32917 by updating to Prosody version 0.11.9 or later.

5

Where can I find more information about CVE-2021-32917?

You can find more information about CVE-2021-32917 at the following references: [1](https://www.openwall.com/lists/oss-security/2021/05/13/1), [2](https://prosody.im/security/advisory_20210512.txt), [3](https://hg.prosody.im/trunk/rev/65dcc175ef5b).

Contact

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