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

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CVE-2013-4242

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
19/08/2013
Last modified:
11/04/2025

Description

GnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain private RSA keys via a cache side-channel attack involving the L3 cache, aka Flush+Reload.

Impact

Vector 2.0
AV:L/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

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

Base Score 2.0
1.90
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* 1.4.13 (including)
cpe:2.3:a:gnupg:gnupg:0.0.0:-:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.2.15:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.2.16:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.2.17:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.2.18:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.2.19:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:0.3.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools