CVE-2019-13627 Information

Description

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5 1.7.6-2+deb9u3 and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html http://www.openwall.com/lists/oss-security/2019/10/02/2 https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5 https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html https://minerva.crocs.fi.muni.cz/ https://security.gentoo.org/glsa/202003-32 https://security-tracker.debian.org/tracker/CVE-2019-13627 https://usn.ubuntu.com/4236-1/ https://usn.ubuntu.com/4236-2/ https://usn.ubuntu.com/4236-3/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.3