libgcrypt: ELGAMAL side-channel attack
Published Oct 10, 2014
2.1
LOWCVSS 2.0
EPSS 0.53%
Description
Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext randomization, which makes it easier for physically proximate attackers to conduct key-extraction attacks by leveraging the ability to collect voltage data from exposed metal, a different vector than CVE-2013-4576.
Affected products
No data.
Configuration 1
- ≤ 1.5.3
- 1.4.0
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.5.0
- 1.5.1
- 1.5.2
Configuration 2
- 7.0
No data.
Red Hat Enterprise Linux 5
gnupg
Will not fix
Red Hat Enterprise Linux 5
libgcrypt
Will not fix
Red Hat Enterprise Linux 6
libgcrypt
Will not fix
Red Hat Enterprise Linux 7
libgcrypt
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | gnupg | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | libgcrypt | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | libgcrypt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libgcrypt | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.53% (0.00531) | 42.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00531) | 40.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00142) | 31.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00095) | 41.79th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.10% (0.00095) | 40.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00095) | 38.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://lists.gnupg.org/pipermail/gnupg-announce/2014q3/000352.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://openwall.com/lists/oss-security/2014/08/16/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.cs.tau.ac.il/~tromer/handsoff/ x_refsource_MISCTechnical Description
- http://www.debian.org/security/2014/dsa-3024 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2014/dsa-3073 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-5270 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1128531 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-5270
- https://www.cve.org/CVERecord?id=CVE-2014-5270
| Link | Providers | Tags |
|---|---|---|
| http://lists.gnupg.org/pipermail/gnupg-announce/2014q3/000352.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://openwall.com/lists/oss-security/2014/08/16/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.cs.tau.ac.il/~tromer/handsoff/ | x_refsource_MISCTechnical Description | |
| http://www.debian.org/security/2014/dsa-3024 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.debian.org/security/2014/dsa-3073 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-5270 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1128531 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-5270 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-5270 |
Change history (0)
No recorded changes yet.