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Fencer Intel
high 7.5

CVE-2019-17596 json

Panic on invalid DSA public keys in crypto/dsa

published 7y ago modified 4mo ago also GO-2022-0213 , EUVD-2019-7924

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • go stdlib 1.12.11, 1.13.2
  • golang go 1.12.11, 1.13.2
  • golang-1.13 Ubuntu 20.04 LTS 1.13.3-1ubuntu1

ubuntu advisories UBUNTU-CVE-2019-17596

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • golang RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • go-toolset RHEL 8 1.12.12-2.module+el8.1.0+5317+8a49ffbb
  • golang-bin RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • golang-src RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • golang-misc RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • golang-race RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • golang-tests RHEL 8 1.12.12-4.module+el8.1.0+5317+8a49ffbb
  • go-toolset-1.12-golang devtools 2019 1.12.12-4.el7

red hat advisories RHSA-2020:0329RHSA-2020:0101RHBA-2020:0390

  • go1.12 openSUSE Tumbleweed 1.12.17-4.8
  • go1.13 openSUSE Tumbleweed 1.13.15-2.6
  • notary openSUSE Tumbleweed 0.7.0-1.2
  • go1.12 openSUSE Leap 15.1 1.12.12-lp151.2.25.1
  • go1.12 openSUSE Leap 15.0 1.12.12-lp150.11.1

opensuse advisories openSUSE-SU-2024:10805-1openSUSE-SU-2024:10806-1openSUSE-SU-2024:11098-1openSUSE-SU-2019:2522-1openSUSE-SU-2019:2521-1

  • go Alpine 3.10 1.12.11-r0
  • go Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.13.2-r0
  • containerd Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.3.1-r0

alpine advisories ALPINE-CVE-2019-17596

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • go Arch Linux 2:1.13.3-1

arch linux advisories AVG-1051

Is CVE-2019-17596 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-17596 updated cvss 7.5

golang: invalid public key causes panic in dsa.Verify

  • Red Hat Ceph Storage 2 golang, golang-bin, golang-src
    affected: no fix planned “Out of support scope”
  • Red Hat Ceph Storage 3 golang, golang-bin, golang-src
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 golang, golang-bin, golang-src, golang-misc, golang-tests Red Hat OpenShift Container Platform 3.9 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +8 more Red Hat OpenShift Container Platform 3.10 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more Red Hat OpenShift Container Platform 3.11 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more
    affected: no fix planned “Out of support scope”
  • Red Hat Storage 3 golang, golang-bin, golang-src, golang-misc, golang-tests
    affected: no fix available
  • Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) go-toolset-1.12 1.12.12-4.el7, go-toolset-1.12-build 1.12.12-4.el7, go-toolset-1.12-golang 1.12.12-4.el7, go-toolset-1.12-runtime 1.12.12-4.el7, go-toolset-1.12-golang-bin 1.12.12-4.el7, go-toolset-1.12-golang-src 1.12.12-4.el7, +3 more Red Hat Developer Tools for Red Hat Enterprise Linux Workstation (v. 7) go-toolset-1.12 1.12.12-4.el7, go-toolset-1.12-build 1.12.12-4.el7, go-toolset-1.12-golang 1.12.12-4.el7, go-toolset-1.12-runtime 1.12.12-4.el7, go-toolset-1.12-golang-bin 1.12.12-4.el7, go-toolset-1.12-golang-src 1.12.12-4.el7, +3 more
    fixed: vendor fix RHSA-2020:0101
  • Red Hat Enterprise Linux AppStream (v. 8) golang 1.12.12-4.module+el8.1.0+5317+8a49ffbb, go-toolset 1.12.12-2.module+el8.1.0+5317+8a49ffbb, golang-bin 1.12.12-4.module+el8.1.0+5317+8a49ffbb, golang-src 1.12.12-4.module+el8.1.0+5317+8a49ffbb, golang-misc 1.12.12-4.module+el8.1.0+5317+8a49ffbb, golang-race 1.12.12-4.module+el8.1.0+5317+8a49ffbb, +1 more
    fixed: vendor fix RHSA-2020:0329
  • Red Hat OpenShift Container Platform 4.3 cri-o 1.16.2-13.dev.rhaos4.3.gita83f883.el7, cri-o 1.16.2-15.dev.rhaos4.3.gita83f883.el8, openshift 4.3.1-202001310552.git.0.331f390.el7, openshift 4.3.1-202001310552.git.0.331f390.el8, openshift-clients 4.3.1-202001310552.git.1.075d46a.el7, openshift-clients 4.3.1-202001310552.git.1.075d46a.el8, +4 more
    fixed: vendor fix RHBA-2020:0390
  • Red Hat Ceph Storage 3 grafana Red Hat OpenShift Container Platform 4.3 skopeo 0.1.40-3.rhaos.el8, rhosp-release 16.0.0-1.el8ost, skopeo-tests 0.1.40-3.rhaos.el8, slirp4netns 0.4.2-3.git21fdece.el8, containers-common 0.1.40-3.rhaos.el8, ignition 0.34.0-2.rhaos4.3.git92f874c.el8, +14 more Red Hat Storage 3 heketi, grafana, heketi-client, python-heketi
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.69% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/golang/go/issues/34960 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected packages

ecosystem package affected fixed in
go stdlib
<1.12.11
>=1.13.0-0, <1.13.2
1.12.11
1.13.2

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.