Cryptographic issues in Libgcrypt - CVE-2019-13627
Published: January 29, 2020
Vulnerability identifier: #VU24721
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-13627
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Libgcrypt
Libgcrypt
Detailed vulnerability description
The vulnerability allows a remote attacker to perform timing attack.
The vulnerability exists due to an error within the libgcrypt20 cryptographic library. A remote attacker can perform ECDSA timing attack.
How to mitigate CVE-2019-13627
Install updates from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.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://minerva.crocs.fi.muni.cz/
- https://security-tracker.debian.org/tracker/CVE-2019-13627