CVE-2021-32918

An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks via memory exhaustion when running under Lua 5.2 or Lua 5.3.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://blog.prosody.im/prosody-0.11.9-released/	Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/05/13/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/14/2	Mailing List Mitigation Third Party Advisory
https://www.debian.org/security/2021/dsa-4916	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202105-15	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*

OR	cpe:2.3:a:lua:lua:5.2.0:-::::::
	cpe:2.3:a:lua:lua:5.3.0:-::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Information

Published : 2021-05-13 09:15

Updated : 2021-05-26 12:32

NVD link : CVE-2021-32918

Mitre link : CVE-2021-32918

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

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Products Affected

debian

debian_linux

lua

lua

prosody

prosody

fedoraproject

fedora

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