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cve[email protected]CVE-2021-32921
HistoryMay 13, 2021 - 4:15 p.m.

CVE-2021-32921

2021-05-1316:15:08
CWE-362
[email protected]
web.nvd.nist.gov
81
14
prosody
cve-2021-32921
security vulnerability
timing attack
lua 5.2
nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

6.1 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.4%

JSON

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.

Affected configurations

NVD
Node
prosodyprosodyRange<0.11.9
AND
lualuaRange5.2.0β‰₯
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
debiandebian_linuxMatch9.0
CPENameOperatorVersion
prosody:prosodyprosodylt0.11.9

Social References

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

6.1 Medium

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.4%

JSON
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