What’s Vulnerable › Vulnerabilities

CVE-2019-17596

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-24 · updated 2026-06-17
• Weakness: CWE-436

Description

Go before 1.12.11 and 1.3.x before 1.13.2 can panic upon an attempt to process network traffic containing an invalid DSA public key. There are several attack scenarios, such as traffic from a client to a server that verifies client certificates.

Affected products

• Arista Networks CloudVision Portal: from 2018.1.0 through 2018.2.3; 2019.1.0, 2019.1.1, 2019.1.2
• Arista Networks EOS: through 4.23.1f
• Arista Networks MOS: through 0.25
• Arista Networks Terminattr: through 1.7.2
• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 30, 31
• Go: from 1.12 before 1.12.11; from 1.13 before 1.13.2 — fixed in 1.12.11, 1.13.2
• openSUSE Leap: 15.0, 15.1
• RedHat Developer Tools: 1.0
• Red Hat Enterprise Linux: 8.0
• RedHat Enterprise Linux Server: 8.1

How to fix

Upgrade to a fixed version: Go 1.12.11, 1.13.2. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00043.html
• http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00044.html
• https://access.redhat.com/errata/RHSA-2020:0101
• https://access.redhat.com/errata/RHSA-2020:0329
• https://github.com/golang/go/issues/34960
• https://groups.google.com/d/msg/golang-announce/lVEm7llp0w0/VbafyRkgCgAJ
• https://lists.debian.org/debian-lts-announce/2021/03/msg00014.html
• https://lists.debian.org/debian-lts-announce/2021/03/msg00015.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5VS3HPSE25ZSGS4RSOTADC67YNOHIGVV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVOWGM7IQGRO7DS2MCUMYZRQ4TYOZNAS/
• https://security.netapp.com/advisory/ntap-20191122-0005/
• https://www.arista.com/en/support/advisories-notices/security-advisories/10134-security-advisory-46

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