Upstream information

CVE-2023-1732 at MITRE

Description

When sampling randomness for a shared secret, the implementation of Kyber and FrodoKEM, did not check whether crypto/rand.Read() returns an error. In rare deployment cases (error thrown by the Read() function), this could lead to a predictable shared secret.

The tkn20 and blindrsa components did not check whether enough randomness was returned from the user provided randomness source. Typically the user provides crypto/rand.Reader, which in the vast majority of cases will always return the right number random bytes. In the cases where it does not, or the user provides a source that does not, the blinding for blindrsa is weak and integrity of the plaintext is not ensured in tkn20.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  National Vulnerability Database
Base Score 5.3
Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact High
Availability Impact None
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP6
  • system-user-velociraptor >= 1.0.0-bp156.3.3.1
  • velociraptor >= 0.7.0.4.git142.862ef23-bp156.3.3.1
  • velociraptor-client >= 0.7.0.4.git142.862ef23-bp156.3.3.1
 Patchnames:
openSUSE-2025-31
openSUSE Leap 15.6
  • system-user-velociraptor >= 1.0.0-bp156.3.3.1
  • velociraptor >= 0.7.0.4.git142.862ef23-bp156.3.3.1
  • velociraptor-client >= 0.7.0.4.git142.862ef23-bp156.3.3.1
 Patchnames:
openSUSE-2025-31
openSUSE Tumbleweed
  • velociraptor >= 0.7.0.4.git142.862ef23-1.1
 Patchnames:
openSUSE-Tumbleweed-2025-14663

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Package Hub 15 SP6 velociraptor Released
SUSE Package Hub 15 SP6 velociraptor-client Released

SUSE Timeline for this CVE

CVE page created: Wed May 10 16:00:45 2023
CVE page last modified: Sat Feb 15 17:49:27 2025