CVE-2021-31799

In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.

USN-5020-1 — ruby2.3, ruby2.5, ruby2.7 vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: ruby2.3, Ubuntu:18.04:LTS: ruby2.5, Ubuntu:20.04:LTS: ruby2.7

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2021-31799)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to conduct port scans and service banner extractions. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-31810)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to perform machine-in-the-middle attackers to bypass the TLS protection. (CVE-2021-32066)

Most recent entries from all

CVE-2021-31799

USN-5020-1 — ruby2.3, ruby2.5, ruby2.7 vulnerabilities