Information disclosure in Gnupg Libgcrypt
CVE-2015-7511
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
Vulnerability class: Information Disclosure
EPSS: 0.001 (20.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.0 (Low). Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Gnupg Libgcrypt
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Debian Debian_linux — versions 7.0, 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- DSA-3478 (vendor-advisory, x_refsource_DEBIAN)
- USN-2896-1 (x_refsource_UBUNTU, vendor-advisory)
- GLSA-201610-04 (vendor-advisory, x_refsource_GENTOO)
- [gnupg-announce] 20160209 [Announce] Libgcrypt 1.6.5 with security fix released (Vendor Advisory, mailing-list, x_refsource_MLIST)
- DSA-3474 (vendor-advisory, x_refsource_DEBIAN)
- 83253 (vdb-entry, x_refsource_BID)
- FEDORA-2016-83cd045bcc (x_refsource_FEDORA, vendor-advisory)
- openSUSE-SU-2016:1227 (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-7511?
- CVE-2015-7511 is a low-severity vulnerability in Gnupg Libgcrypt, classified under Information Disclosure. CVSS score: 2.0/10. Published 2016-04-19.
- How severe is CVE-2015-7511?
- Low severity. CVSS v3 base score is 2.0 out of 10.