CVE-2019-13627 — MEDIUM (6.3)

Vulnerability 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 Score

6.3

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Canonical	Ubuntu Linux	12.04
Opensuse	Leap	15.0
Libgcrypt20 Project	Libgcrypt20	1.6.3-2\+deb8u4
Debian	Debian Linux	8.0

Related Weaknesses (CWE)

CWE-203

References

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

FAQ

What is CVE-2019-13627?

CVE-2019-13627 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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+deb8...

How severe is CVE-2019-13627?

CVE-2019-13627 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-13627?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Opensuse Leap, Libgcrypt20 Project Libgcrypt20, Debian Debian Linux.