Published: 29/08/2017 Updated: 07/11/2023

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Libgcrypt prior to 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for malicious users to discover a secret key, related to cipher/ecc.c and mpi/ec.c.

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gnupg libgcrypt
debian debian linux 9.0

Debian Bug report logs - #873383 libgcrypt20: CVE-2017-0379: side-channel attack on Curve25519 Package: src:libgcrypt20; Maintainer for src:libgcrypt20 is Debian GnuTLS Maintainers <pkg-gnutls-maint@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 27 Aug 2017 09:51:01 UTC Sev ...

Libgcrypt could be made to expose sensitive information ...

Daniel Genkin, Luke Valenta and Yuval Yarom discovered that Libgcrypt is prone to a local side-channel attack against the ECDH encryption with Curve25519, allowing recovery of the private key See eprintiacrorg/2017/806 for details For the stable distribution (stretch), this problem has been fixed in version 176-2+deb9u2 For the unsta ...

Libgcrypt before 181 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/eccc and mpi/ecc ...

Libgcrypt before 181 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/eccc and mpi/ecc On multi user systems or on boxes with virtual machines this attack may be used to steal private keys ...

CWE-200 https://www.debian.org/security/2017/dsa-3959 https://security-tracker.debian.org/tracker/CVE-2017-0379 https://lists.debian.org/debian-security-announce/2017/msg00221.html https://eprint.iacr.org/2017/806 https://bugs.debian.org/873383 http://www.securityfocus.com/bid/100503 http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html https://security.netapp.com/advisory/ntap-20180726-0002/http://www.securitytracker.com/id/1041294 https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=da780c8183cccc8f533c8ace8211ac2cb2bdee7b https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=873383 https://usn.ubuntu.com/3417-1/https://nvd.nist.gov

CVE-2017-0379

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