CVE-2021-32920

Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

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

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/	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

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Configurations

Configuration 1 (hide)

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

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 : 2022-07-12 10:42

NVD link : CVE-2021-32920

Mitre link : CVE-2021-32920

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

debian

debian_linux

prosody

prosody

fedoraproject

fedora

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