CVE-2022-32189: Panic when decoding Float and Rat types in math/big

Published Aug 1, 2022
·
Updated

A too-short encoded message can cause a panic in Float.GobDecode and Rat GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially allowing a denial of service.

Other sources

A too-short encoded message can cause a panic in Float.GobDecode and Rat.GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially allowing a denial of service.

References: https://go.dev/issue/53871 https://groups.google.com/g/golang-nuts/c/DCFSyTGM0wU

Upstream Commits: Master : https://github.com/golang/go/commit/055113ef364337607e3e72ed7d48df67fde6fc66 Branch.go1.17 : https://github.com/golang/go/commit/703c8ab7e5ba75c95553d4e249309297abad7102 Branch.go1.18 : https://github.com/golang/go/commit/9240558e4f342fc6e98fec22de17c04b45089349

— Red Hat

An uncontrolled resource consumption flaw was found in Golang math/big. A too-short encoded message can cause a panic in Float.GobDecode and Rat.GobDecode in math/big in Go, potentially allowing an attacker to create a denial of service, impacting availability.

Golang Go is vulnerable to a denial of service, caused by a flaw in Float.GobDecode and Rat GobDecode in math/big. By sending a specially-crafted message, a remote attacker could exploit this vulnerability to cause a panic.

— IBM

Affected Software

26 affected componentsFixes available
redhat/git-lfs<0:2.13.3-3.el8_6
0:2.13.3-3.el8_6
redhat/weldr-client<0:35.5-4.el8
0:35.5-4.el8
redhat/weldr-client<0:35.5-4.el9
0:35.5-4.el9
redhat/golang<0:1.18.9-1.el9_1
0:1.18.9-1.el9_1
redhat/butane<0:0.16.0-1.el9
0:0.16.0-1.el9
redhat/toolbox<0:0.0.99.3-9.el9
0:0.0.99.3-9.el9
redhat/git-lfs<0:3.2.0-1.el9
0:3.2.0-1.el9
redhat/butane<0:0.15.0-3.rhaos4.11.el8
0:0.15.0-3.rhaos4.11.el8
redhat/cri-o<0:1.24.3-6.rhaos4.11.gitc4567c0.el8
0:1.24.3-6.rhaos4.11.gitc4567c0.el8
redhat/cri-tools<0:1.24.2-7.el8
0:1.24.2-7.el8
redhat/ignition<0:2.14.0-5.rhaos4.11.el8
0:2.14.0-5.rhaos4.11.el8
redhat/butane<0:0.16.0-2.rhaos4.12.el8
0:0.16.0-2.rhaos4.12.el8
redhat/cri-o<0:1.25.1-5.rhaos4.12.git6005903.el9
0:1.25.1-5.rhaos4.12.git6005903.el9
redhat/cri-tools<0:1.25.0-2.el9
0:1.25.0-2.el9
redhat/ignition<0:2.14.0-5.rhaos4.12.el8
0:2.14.0-5.rhaos4.12.el8
redhat/etcd<0:3.3.23-12.el8
0:3.3.23-12.el8
redhat/kubevirt<0:4.13.0-1469.el7
0:4.13.0-1469.el7
redhat/kubevirt<0:4.13.0-1469.el8
0:4.13.0-1469.el8
redhat/kubevirt<0:4.13.0-1469.el9
0:4.13.0-1469.el9
debian/golang-1.15<=1.15.15-1~deb11u4
debian/golang-1.19
1.19.8-2
IBM Concert Software<=1.0.0 - 1.0.1
Golang Go<1.17.13
Golang Go>=1.18.0<1.18.5
redhat/golang<1.17.13
1.17.13
redhat/golang<1.18.5
1.18.5

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/git-lfs to a version that resolves this vulnerability.

    Fixed in 0:2.13.3-3.el8_6
  2. Upgrade

    Upgrade redhat/weldr-client to a version that resolves this vulnerability.

    Fixed in 0:35.5-4.el8
  3. Upgrade

    Upgrade redhat/weldr-client to a version that resolves this vulnerability.

    Fixed in 0:35.5-4.el9
  4. Upgrade

    Upgrade redhat/golang to a version that resolves this vulnerability.

    Fixed in 0:1.18.9-1.el9_1
  5. Upgrade

    Upgrade redhat/butane to a version that resolves this vulnerability.

    Fixed in 0:0.16.0-1.el9
  6. Upgrade

    Upgrade redhat/toolbox to a version that resolves this vulnerability.

    Fixed in 0:0.0.99.3-9.el9
  7. Upgrade

    Upgrade redhat/git-lfs to a version that resolves this vulnerability.

    Fixed in 0:3.2.0-1.el9
  8. Upgrade

    Upgrade redhat/butane to a version that resolves this vulnerability.

    Fixed in 0:0.15.0-3.rhaos4.11.el8
  9. Upgrade

    Upgrade redhat/cri-o to a version that resolves this vulnerability.

    Fixed in 0:1.24.3-6.rhaos4.11.gitc4567c0.el8
  10. Upgrade

    Upgrade redhat/cri-tools to a version that resolves this vulnerability.

    Fixed in 0:1.24.2-7.el8
  11. Upgrade

    Upgrade redhat/ignition to a version that resolves this vulnerability.

    Fixed in 0:2.14.0-5.rhaos4.11.el8
  12. Upgrade

    Upgrade redhat/butane to a version that resolves this vulnerability.

    Fixed in 0:0.16.0-2.rhaos4.12.el8
  13. Upgrade

    Upgrade redhat/cri-o to a version that resolves this vulnerability.

    Fixed in 0:1.25.1-5.rhaos4.12.git6005903.el9
  14. Upgrade

    Upgrade redhat/cri-tools to a version that resolves this vulnerability.

    Fixed in 0:1.25.0-2.el9
  15. Upgrade

    Upgrade redhat/ignition to a version that resolves this vulnerability.

    Fixed in 0:2.14.0-5.rhaos4.12.el8
  16. Upgrade

    Upgrade redhat/etcd to a version that resolves this vulnerability.

    Fixed in 0:3.3.23-12.el8
  17. Upgrade

    Upgrade redhat/kubevirt to a version that resolves this vulnerability.

    Fixed in 0:4.13.0-1469.el7
  18. Upgrade

    Upgrade redhat/kubevirt to a version that resolves this vulnerability.

    Fixed in 0:4.13.0-1469.el8
  19. Upgrade

    Upgrade redhat/kubevirt to a version that resolves this vulnerability.

    Fixed in 0:4.13.0-1469.el9
  20. Upgrade

    Upgrade debian/golang-1.19 to a version that resolves this vulnerability.

    Fixed in 1.19.8-2
  21. Upgrade

    Upgrade redhat/golang to a version that resolves this vulnerability.

    Fixed in 1.17.13
  22. Upgrade

    Upgrade redhat/golang to a version that resolves this vulnerability.

    Fixed in 1.18.5
  23. Upgrade

    Upgrade Golang Go to a version that resolves this vulnerability.

    Fixed in 1.17.13
  24. Upgrade

    Upgrade Golang Go to a version that resolves this vulnerability.

    Fixed in 1.18.5

Event History

Aug 1, 2022
CVE Published
12:00 AM
Aug 2, 2022
Data Sourced
via Red Hat·05:21 AM
DescriptionSeverityAffected Software
Aug 9, 2022
CVE Published
via MITRE·08:17 PM
Data Sourced
via MITRE·08:17 PM
DescriptionWeakness
Aug 10, 2022
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityAffected Software
Oct 10, 2024
Data Sourced
via Ubuntu·01:15 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·01:16 PM
Description
Oct 21, 2024
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2022-32189.

2

What is the severity of CVE-2022-32189?

CVE-2022-32189 has a severity of high.

3

Which software is affected by CVE-2022-32189?

CVE-2022-32189 affects Golang math/big.

4

How can CVE-2022-32189 be exploited?

CVE-2022-32189 can be exploited by sending a too-short encoded message, causing a panic in Float.GobDecode and Rat.GobDecode and potentially leading to a denial of service.

5

How can I fix CVE-2022-32189?

To fix CVE-2022-32189, update Golang to version 1.17.13 or 1.18.5, depending on the affected version.

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