High severity · published May 13, 2021
CVE-2021-32918
An issue was discovered in Prosody before 0.11.9
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks via memory exhaustion when running under Lua 5.2 or Lua 5.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34 · source: NVD
PR
Prosody · Prosody
before 0.11.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32918
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/13/1
Mailing List
http://www.openwall.com/lists/oss-security/2021/05/14/2
Release Notes
https://blog.prosody.im/prosody-0.11.9-released/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
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