CVE-2013-4242

GnuPG susceptible to Yarom/Falkner flush+reload cache side-channel attack

Published Aug 19, 2013 CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2730-1 gnupg security update
Debian DSA Debian DSA DSA-2731-1 libgcrypt11 security update
EUVD EUVD EUVD-2013-4146 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.
Ubuntu USN Ubuntu USN USN-1923-1 GnuPG, Libgcrypt vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 4:38 PM
Reserved
Jun 12, 2013, 12:00 AM
Status
Modified
Published
Aug 19, 2013, 11:55 PM
Modified
Jun 16, 2026, 11:56 PM
Severity
Moderate
Public date
Jul 22, 2013, 12:00 AM