Vulnerability Details : CVE-2021-32918
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2021-32918
Probability of exploitation activity in the next 30 days: 0.97%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 83 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-32918
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-32918
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-32918
-
https://blog.prosody.im/prosody-0.11.9-released/
Prosody 0.11.9 released | Prosodical ThoughtsRelease Notes;Vendor Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
[SECURITY] Fedora 33 Update: prosody-0.11.9-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4916
Debian -- Security Information -- DSA-4916-1 prosodyThird Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
[SECURITY] Fedora 32 Update: prosody-0.11.9-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2021/05/14/2
oss-security - Re: Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)Mailing List;Mitigation;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
[SECURITY] Fedora 34 Update: prosody-0.11.9-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://security.gentoo.org/glsa/202105-15
Prosŏdy IM: Multiple vulnerabilities (GLSA 202105-15) — Gentoo securityThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/05/13/1
oss-security - Prosody XMPP server advisory 2021-05-12 (multiple vulnerabilities)Mailing List;Third Party Advisory
Products affected by CVE-2021-32918
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*