Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.

Published

2021-06-08T11:15:07.767

Last Modified

2024-11-21T06:09:05.760

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-203
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application gnupg libgcrypt < 1.8.8 Yes
Application gnupg libgcrypt < 1.9.3 Yes
Operating System debian debian_linux 9.0 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Application oracle communications_cloud_native_core_binding_support_function 1.11.0 Yes
Application oracle communications_cloud_native_core_network_function_cloud_native_environment 1.9.0 Yes
Application oracle communications_cloud_native_core_network_function_cloud_native_environment 1.10.0 Yes
Application oracle communications_cloud_native_core_network_repository_function 1.14.0 Yes
Application oracle communications_cloud_native_core_network_repository_function 1.15.0 Yes
Application oracle communications_cloud_native_core_network_repository_function 1.15.1 Yes
Application oracle communications_cloud_native_core_network_slice_selection_function 1.8.0 Yes
Application oracle communications_cloud_native_core_service_communication_proxy 1.15.0 Yes
References