Prosody
CVE-2021-32921
MEDIUM
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
An issue was discovered in Prosody before 0.11.9. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-362. 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 products include: Prosody, Fedoraproject Fedora, Debian Debian Linux. Version information: before 0.11.9..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
plugins/mod_compression.lua in (1) Prosody before 0.9.4 and (2) Lightwitch Metronome through 3.4 negotiates stream compr
It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML feat
muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, me
prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Rated high severity (CVSS 8.8), this v
Prosody before 0.9.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers
The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests. Rated high seve
An issue was discovered in Prosody before 0.11.9. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit
An issue was discovered in Prosody before 0.11.9. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit
Unauthenticated traffic relay vulnerability in Prosody mod_proxy65 module allows network attackers to bypass access cont
Improper access control in Prosody's mod_proxy65 module allows unauthenticated relaying of traffic when the module enter
Directory traversal vulnerability in the HTTP file-serving module (mod_http_files) in Prosody 0.9.x before 0.9.9 allows
Same weakness CWE-362 – Race Condition
View allSame technique Information Disclosure
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External POC / Exploit Code
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