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.
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

16 May 2022, 19:50

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html - Third Party Advisory

19 Jun 2021, 09:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html -

17 Jun 2021, 16:57

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

16 Jun 2021, 07:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html -

26 May 2021, 19:32

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
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
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/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ - 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/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ -
  • (MISC) https://security.gentoo.org/glsa/202105-15 -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ -

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/ -

21 May 2021, 17:47

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 4.3
v3 : 5.9
CWE CWE-362
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 (DEBIAN) https://www.debian.org/security/2021/dsa-4916 - (DEBIAN) https://www.debian.org/security/2021/dsa-4916 - 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
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
CPE cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*
cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*

18 May 2021, 12:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4916 -

14 May 2021, 12:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/05/14/2 -

13 May 2021, 18:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/05/13/1 -

13 May 2021, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-05-13 16:15

Updated : 2022-05-16 19:50


NVD link : CVE-2021-32921

Mitre link : CVE-2021-32921


JSON object : View

Products Affected

lua

  • lua

debian

  • debian_linux

prosody

  • prosody

fedoraproject

  • fedora
CWE
CWE-362

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