CVE-2021-32921

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-32921
An issue was discovered in Prosody before 0.11.9. It does not use a constant-time algorithm for comparing certain secret strings when running under Lua 5.2 or later. This can potentially be used in a timing attack to reveal the contents of secret strings to an attacker.

5.9 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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.debian.org/debian-lts-announce/2021/06/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html Third Party 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.debian.org/debian-lts-announce/2021/06/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html Third Party 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)

AND
cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*
cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
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.debian.org/debian-lts-announce/2021/06/msg00016.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html - Mailing List, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html - Third Party 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

07 Nov 2023, 03:35

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/', 'name': 'FEDORA-2021-498be8f560', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/', 'name': 'FEDORA-2021-b5d8c6d086', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/', 'name': 'FEDORA-2021-a33f6e36e1', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ -
Information

Published : 2021-05-13 16:15

Updated : 2024-11-21 06:07

NVD link : CVE-2021-32921

Mitre link : CVE-2021-32921

CVE.ORG link : CVE-2021-32921

JSON object : View

Products Affected

debian

  • debian_linux

lua

  • lua

prosody

  • prosody

fedoraproject

  • fedora
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')