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nvd[email protected]NVD:CVE-2021-33560
HistoryJun 08, 2021 - 11:15 a.m.

CVE-2021-33560

2021-06-0811:15:07
CWE-203
[email protected]
web.nvd.nist.gov
6
libgcrypt
elgamal encryption
side-channel attack
openpgp
cve-2021-33560

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

61.1%

JSON

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.

Affected configurations

Nvd
Node
gnupglibgcryptRange<1.8.8
OR
gnupglibgcryptRange1.9.0–1.9.3
Node
debiandebian_linuxMatch9.0
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
oraclecommunications_cloud_native_core_binding_support_functionMatch1.11.0
OR
oraclecommunications_cloud_native_core_network_function_cloud_native_environmentMatch1.9.0
OR
oraclecommunications_cloud_native_core_network_function_cloud_native_environmentMatch1.10.0
OR
oraclecommunications_cloud_native_core_network_repository_functionMatch1.14.0
OR
oraclecommunications_cloud_native_core_network_repository_functionMatch1.15.0
OR
oraclecommunications_cloud_native_core_network_repository_functionMatch1.15.1
OR
oraclecommunications_cloud_native_core_network_slice_selection_functionMatch1.8.0
OR
oraclecommunications_cloud_native_core_service_communication_proxyMatch1.15.0
VendorProductVersionCPE
gnupglibgcrypt*cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_binding_support_function1.11.0cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.11.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_function_cloud_native_environment1.9.0cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.9.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_function_cloud_native_environment1.10.0cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_repository_function1.14.0cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.14.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_repository_function1.15.0cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.0:*:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_repository_function1.15.1cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.1:*:*:*:*:*:*:*
Rows per page:
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

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User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

61.1%

JSON
Related for NVD:CVE-2021-33560
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