CVE-2021-32921
Severity Score
5.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se detectó un problema en Prosody versiones anteriores a 0.11.9. No utiliza un algoritmo de tiempo constante para comparar determinadas cadenas secretas cuando se ejecuta bajo Lua versiones 5.2 o posteriores. Esto puede potencialmente ser usado en un ataque de sincronización para revelar el contenido de cadenas secretas a un atacante
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-05-12 CVE Reserved
- 2021-05-13 CVE Published
- 2024-07-14 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/13/1 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/05/14/2 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2021/06/msg00018.html | Mailing List |
|
| https://security.gentoo.org/glsa/202105-15 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Prosody Search vendor "Prosody" | Prosody Search vendor "Prosody" for product "Prosody" | < 0.11.9 Search vendor "Prosody" for product "Prosody" and version " < 0.11.9" | - |
Affected
| in | Lua Search vendor "Lua" | Lua Search vendor "Lua" for product "Lua" | >= 5.2.0 Search vendor "Lua" for product "Lua" and version " >= 5.2.0" | - |
Safe
|
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||