Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-7827

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
13/05/2016
Last modified:
12/04/2025

Description

Botan before 1.10.13 and 1.11.x before 1.11.22 make it easier for remote attackers to conduct million-message attacks by measuring time differences, related to decoding of PKCS#1 padding.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:* 1.10.13 (including)
cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.5:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.6:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.7:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.8:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.9:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.10:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.11:*:*:*:*:*:*:*
cpe:2.3:a:botan_project:botan:1.11.12:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools