Upstream information

CVE-2021-40530 at MITRE

Description

The ElGamal implementation in Crypto++ through 8.5 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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 5.3
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Access Vector Network
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190243 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • libcryptopp-devel >= 8.6.0-1.1
  • libcryptopp8_6_0 >= 8.6.0-1.1
  • libcryptopp8_6_0-32bit >= 8.6.0-1.1
Patchnames:
openSUSE Tumbleweed GA libcryptopp-devel-8.6.0-1.1


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Please note that this evaluation state might be work in progress, incomplete or outdated.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.

Product(s) Source package State
SUSE CaaS Platform 4.0 libcryptopp Affected
SUSE Enterprise Storage 6 libcryptopp Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS libcryptopp Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS libcryptopp Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libcryptopp Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libcryptopp Affected
SUSE Linux Enterprise Server 15 SP1 LTSS libcryptopp Affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 libcryptopp Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libcryptopp Affected