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.
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

No history.

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

prosody

  • prosody

lua

  • lua

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-362

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