Upstream information

CVE-2018-12435 at MITRE

Description

Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ec_group/ec_group.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

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 1.9
Vector AV:L/AC:M/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.9 5.1
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Local Local
Attack Complexity High High
Privileges Required None None
User Interaction None None
Scope Changed Unchanged
Confidentiality Impact High High
Integrity Impact None None
Availability Impact None None
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1097781 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • Botan >= 2.18.1-1.3
  • Botan-doc >= 2.18.1-1.3
  • libbotan-2-18 >= 2.18.1-1.3
  • libbotan-2-18-32bit >= 2.18.1-1.3
  • libbotan-devel >= 2.18.1-1.3
  • libbotan-devel-32bit >= 2.18.1-1.3
  • python3-botan >= 2.18.1-1.3
Patchnames:
openSUSE-Tumbleweed-2024-10594


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Server 12 SP5 Botan Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 Botan Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 Botan Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 11 SP4 Botan Not affected
SUSE Linux Enterprise Desktop 12 Botan Unsupported
SUSE Linux Enterprise Desktop 12 SP1 Botan Unsupported
SUSE Linux Enterprise Desktop 12 SP2 Botan Unsupported
SUSE Linux Enterprise Desktop 12 SP3 Botan Not affected
SUSE Linux Enterprise Desktop 12 SP4 Botan Unsupported
SUSE Linux Enterprise Server 11 SP4 Botan Not affected
SUSE Linux Enterprise Server 12 Botan Unsupported
SUSE Linux Enterprise Server 12 SP1 Botan Unsupported
SUSE Linux Enterprise Server 12 SP2 Botan Unsupported
SUSE Linux Enterprise Server 12 SP3 Botan Not affected
SUSE Linux Enterprise Server 12 SP4 Botan Unsupported
SUSE Linux Enterprise Server for SAP Applications 11 SP4 Botan Not affected
SUSE Linux Enterprise Server for SAP Applications 12 Botan Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP1 Botan Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP2 Botan Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 Botan Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 Botan Unsupported
SUSE Linux Enterprise Software Development Kit 11 SP4 Botan Not affected
SUSE Linux Enterprise Software Development Kit 12 Botan Unsupported
SUSE Linux Enterprise Software Development Kit 12 SP1 Botan Unsupported
SUSE Linux Enterprise Software Development Kit 12 SP2 Botan Unsupported
SUSE Linux Enterprise Software Development Kit 12 SP3 Botan Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 Botan Unsupported


SUSE Timeline for this CVE

CVE page created: Fri Jun 15 08:41:49 2018
CVE page last modified: Sun Jun 16 00:08:42 2024