Detections
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Alpine: libgcrypt: security update to 1.8.8-r1

critical Tenable Cloud Security Plugin ID 405174

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction
 between two cryptographic libraries, a certain dangerous combination of the prime defined by the
 receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral
 exponents can lead to a cross-configuration attack against OpenPGP. (CVE-2021-40528)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-40528

Plugin Details

Severity: Critical

ID: 405174

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.26

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 2

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2021-40528

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/24/2021

Reference Information

CVE: CVE-2021-40528