Upstream information

CVE-2021-40529 at MITRE

Description

The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, 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: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.6
Vector AV:N/AC:H/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.9
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190244 [CONFIRMED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 15 SP2
SUSE Linux Enterprise Server 15 SP2
SUSE Linux Enterprise Server for SAP Applications 15 SP2
SUSE Linux Enterprise Workstation Extension 15 SP2
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE-SLE-Product-WE-15-SP2-2021-4150
SUSE Linux Enterprise Desktop 15 SP3
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server for SAP Applications 15 SP3
SUSE Linux Enterprise Workstation Extension 15 SP3
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE-SLE-Product-WE-15-SP3-2021-4150
SUSE Linux Enterprise Desktop 15 SP4
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Linux Enterprise Workstation Extension 15 SP4
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE Linux Enterprise Workstation Extension 15 SP4 GA MozillaThunderbird-91.8.0-150200.8.65.1
SUSE Linux Enterprise Desktop 15 SP5
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15 SP5
SUSE Linux Enterprise Workstation Extension 15 SP5
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE Linux Enterprise Workstation Extension 15 SP5 GA MozillaThunderbird-102.11.0-150200.8.116.1
SUSE Linux Enterprise Module for Package Hub 15 SP4
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE Linux Enterprise Module for Package Hub 15 SP4 GA MozillaThunderbird-91.8.0-150200.8.65.1
SUSE Linux Enterprise Module for Package Hub 15 SP5
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
SUSE Linux Enterprise Module for Package Hub 15 SP5 GA MozillaThunderbird-102.11.0-150200.8.116.1
openSUSE Leap 15.2
  • MozillaThunderbird >= 91.4.0-lp152.2.52.1
  • MozillaThunderbird-translations-common >= 91.4.0-lp152.2.52.1
  • MozillaThunderbird-translations-other >= 91.4.0-lp152.2.52.1
Patchnames:
openSUSE-2021-1635
openSUSE Leap 15.3
  • MozillaThunderbird >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-common >= 91.4.0-8.45.2
  • MozillaThunderbird-translations-other >= 91.4.0-8.45.2
Patchnames:
openSUSE-SLE-15.3-2021-4150
openSUSE Leap 15.4
  • MozillaThunderbird >= 91.8.0-150200.8.65.1
  • MozillaThunderbird-translations-common >= 91.8.0-150200.8.65.1
  • MozillaThunderbird-translations-other >= 91.8.0-150200.8.65.1
Patchnames:
openSUSE Leap 15.4 GA MozillaThunderbird-91.8.0-150200.8.65.1
openSUSE Tumbleweed
  • Botan >= 2.18.2-1.1
  • Botan-doc >= 2.18.2-1.1
  • MozillaThunderbird >= 91.4.0-1.1
  • MozillaThunderbird-translations-common >= 91.4.0-1.1
  • MozillaThunderbird-translations-other >= 91.4.0-1.1
  • libbotan-2-18 >= 2.18.2-1.1
  • libbotan-2-18-32bit >= 2.18.2-1.1
  • libbotan-devel >= 2.18.2-1.1
  • libbotan-devel-32bit >= 2.18.2-1.1
  • python3-botan >= 2.18.2-1.1
Patchnames:
openSUSE Tumbleweed GA Botan-2.18.2-1.1
openSUSE Tumbleweed GA MozillaThunderbird-91.4.0-1.1


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. 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 Linux Enterprise Desktop 15 SP4 MozillaThunderbird Released
SUSE Linux Enterprise Desktop 15 SP5 MozillaThunderbird Released
SUSE Linux Enterprise Module for Package Hub 15 SP4 MozillaThunderbird Released
SUSE Linux Enterprise Module for Package Hub 15 SP5 MozillaThunderbird Released
SUSE Linux Enterprise Server 15 SP4 MozillaThunderbird Released
SUSE Linux Enterprise Server 15 SP5 MozillaThunderbird Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4 MozillaThunderbird Released
SUSE Linux Enterprise Server for SAP Applications 15 SP5 MozillaThunderbird Released
SUSE Linux Enterprise Workstation Extension 15 SP4 MozillaThunderbird Released
SUSE Linux Enterprise Workstation Extension 15 SP5 MozillaThunderbird Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 15 SP1 MozillaThunderbird Analysis
SUSE Linux Enterprise Server 15 SP2 MozillaThunderbird Released
SUSE Linux Enterprise Server 15 SP3 MozillaThunderbird Released
SUSE Linux Enterprise Server for SAP Applications 15 MozillaThunderbird Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP1 MozillaThunderbird Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP2 MozillaThunderbird Released
SUSE Linux Enterprise Server for SAP Applications 15 SP3 MozillaThunderbird Released
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 15 MozillaThunderbird Analysis
SUSE Linux Enterprise Desktop 15 SP1 MozillaThunderbird Analysis
SUSE Linux Enterprise Desktop 15 SP2 MozillaThunderbird Released
SUSE Linux Enterprise Desktop 15 SP3 MozillaThunderbird Released
SUSE Linux Enterprise Module for Package Hub 15 SP3 MozillaThunderbird Affected
SUSE Linux Enterprise Server 15 MozillaThunderbird Analysis
SUSE Linux Enterprise Workstation Extension 15 MozillaThunderbird Analysis
SUSE Linux Enterprise Workstation Extension 15 SP1 MozillaThunderbird Analysis
SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird Released
SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird Released


SUSE Timeline for this CVE

CVE page created: Tue Sep 7 00:00:44 2021
CVE page last modified: Fri Oct 13 21:26:33 2023