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Vulnerability · Published May 13, 2021 · Assigned by mitre

CVE-2021-32918

High 7.5

In plain English

A high-severity security flaw in the prosody package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.1%top 18.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20prosody0.11.9-r0ALPINE-CVE-2021-32918
Alpine:v3.21prosody0.11.9-r0ALPINE-CVE-2021-32918
Alpine:v3.22prosody0.11.9-r0ALPINE-CVE-2021-32918
Alpine:v3.23prosody0.11.9-r0ALPINE-CVE-2021-32918
Alpine:v3.24prosody0.11.9-r0ALPINE-CVE-2021-32918
Debian:12prosody0.11.9-1DEBIAN-CVE-2021-32918
Debian:13prosody0.11.9-1DEBIAN-CVE-2021-32918
Debian:14prosody0.11.9-1DEBIAN-CVE-2021-32918
Ubuntu:22.04:LTSprosodyno fix listedUBUNTU-CVE-2021-32918

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References