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 |
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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)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
07 Nov 2023, 03:35
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Information
Published : 2021-05-13 16:15
Updated : 2024-02-28 18:28
NVD link : CVE-2021-32921
Mitre link : CVE-2021-32921
CVE.ORG 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')