What’s Vulnerable › Vulnerabilities

CVE-2019-13627

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-09-25 · updated 2026-10-14
• Weakness: CWE-203

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.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.04, 19.10
• Libgcrypt20 Project Libgcrypt20: 1.6.3-2+deb8u4, 1.7.6-2+deb9u3, 1.8.4-5
• openSUSE Leap: 15.0, 15.1

References

• 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-tracker.debian.org/tracker/CVE-2019-13627
• https://security.gentoo.org/glsa/202003-32
• https://usn.ubuntu.com/4236-1/
• https://usn.ubuntu.com/4236-2/
• https://usn.ubuntu.com/4236-3/

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