Security Bulletin: IBM Storage Ceph is vulnerable to a REDOS attack in MarkedJS (CVE-2022-21680, CVE-2022-21681)

Summary

MarkedJS is used by IBM Storage Ceph as a compiler to parse markdown. CVE-2022-21680, CVE-2022-21681

Vulnerability Details

CVEID:CVE-2022-21680
**DESCRIPTION:**Node.js marked module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in block.def. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217319 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-21681
**DESCRIPTION:**Node.js marked module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in inline.reflinkSearch. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217320 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.
Download the latest version of Ceph and upgrade to 6.1 by following instructions.

<https://public.dhe.ibm.com/ibmdl/export/pub/storage/ceph/&gt;
<https://www.ibm.com/docs/en/storage-ceph/6?topic=upgrading&gt;

Workarounds and Mitigations

None