CVE-2021-32920

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-32920
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.

7.5 /10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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
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://blog.prosody.im/prosody-0.11.9-released/ Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
https://security.gentoo.org/glsa/202105-15 Third Party Advisory
https://www.debian.org/security/2021/dsa-4916 Third Party 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://blog.prosody.im/prosody-0.11.9-released/ Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
https://security.gentoo.org/glsa/202105-15 Third Party Advisory
https://www.debian.org/security/2021/dsa-4916 Third Party Advisory
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:*:*:*:*:*:*:*
History

21 Nov 2024, 06:07

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/05/13/1 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/05/13/1 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/05/14/2 - Mailing List, Mitigation, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/05/14/2 - Mailing List, Mitigation, Third Party Advisory
References () https://blog.prosody.im/prosody-0.11.9-released/ - Release Notes, Vendor Advisory () https://blog.prosody.im/prosody-0.11.9-released/ - Release Notes, Vendor Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ -
References () https://security.gentoo.org/glsa/202105-15 - Third Party Advisory () https://security.gentoo.org/glsa/202105-15 - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4916 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4916 - Third Party Advisory

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-400 NVD-CWE-Other

26 May 2021, 19:26

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ - Mailing List, Third Party Advisory
References (MISC) https://security.gentoo.org/glsa/202105-15 - (MISC) https://security.gentoo.org/glsa/202105-15 - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ - Mailing List, Third Party Advisory

26 May 2021, 11:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ -
  • (MISC) https://security.gentoo.org/glsa/202105-15 -

22 May 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ -

21 May 2021, 14:51

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 7.8
v3 : 7.5
CWE CWE-400
References (DEBIAN) https://www.debian.org/security/2021/dsa-4916 - (DEBIAN) https://www.debian.org/security/2021/dsa-4916 - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/05/13/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/05/13/1 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/05/14/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/05/14/2 - Mailing List, Mitigation, Third Party Advisory
References (MISC) https://blog.prosody.im/prosody-0.11.9-released/ - (MISC) https://blog.prosody.im/prosody-0.11.9-released/ - Release Notes, Vendor Advisory
Information

Published : 2021-05-13 16:15

Updated : 2024-11-21 06:07

NVD link : CVE-2021-32920

Mitre link : CVE-2021-32920

CVE.ORG link : CVE-2021-32920

JSON object : View

Products Affected

debian

  • debian_linux

prosody

  • prosody

fedoraproject

  • fedora
CWE
NVD-CWE-Other