UBUNTU-CVE-2021-22945

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Source

https://ubuntu.com/security/CVE-2021-22945

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-22945.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-22945

Related

Published

2021-09-15T00:00:00Z

Modified

2024-11-20T12:28:16Z

Severity

9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator

Summary

[none]

Details

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.

References

Affected packages

Ubuntu:Pro:14.04:LTS / curl

Package

Name: curl
Purl: pkg:deb/ubuntu/curl?arch=src?distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.35.0-1ubuntu2.20+esm7

Affected versions

7.*

7.32.0-1ubuntu1

7.33.0-1ubuntu1

7.34.0-1ubuntu1

7.35.0-1ubuntu1

7.35.0-1ubuntu2

7.35.0-1ubuntu2.1

7.35.0-1ubuntu2.2

7.35.0-1ubuntu2.3

7.35.0-1ubuntu2.5

7.35.0-1ubuntu2.6

7.35.0-1ubuntu2.7

7.35.0-1ubuntu2.8

7.35.0-1ubuntu2.9

7.35.0-1ubuntu2.10

7.35.0-1ubuntu2.11

7.35.0-1ubuntu2.12

7.35.0-1ubuntu2.13

7.35.0-1ubuntu2.14

7.35.0-1ubuntu2.15

7.35.0-1ubuntu2.16

7.35.0-1ubuntu2.17

7.35.0-1ubuntu2.19

7.35.0-1ubuntu2.20

7.35.0-1ubuntu2.20+esm3

7.35.0-1ubuntu2.20+esm4

7.35.0-1ubuntu2.20+esm5

7.35.0-1ubuntu2.20+esm6

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "curl"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "curl-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "curl-udeb"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "curl-udeb-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-dbg"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-gnutls"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-gnutls-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-nss"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-nss-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-udeb"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl3-udeb-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-doc"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-gnutls-dev"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-gnutls-dev-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-nss-dev"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-nss-dev-dbgsym"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-openssl-dev"
        },
        {
            "binary_version": "7.35.0-1ubuntu2.20+esm7",
            "binary_name": "libcurl4-openssl-dev-dbgsym"
        }
    ]
}

Ubuntu:18.04:LTS / curl

Package

Name: curl
Purl: pkg:deb/ubuntu/curl?arch=src?distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.58.0-2ubuntu3.14

Affected versions

7.*

7.55.1-1ubuntu2

7.55.1-1ubuntu2.1

7.57.0-1ubuntu1

7.58.0-2ubuntu1

7.58.0-2ubuntu2

7.58.0-2ubuntu3

7.58.0-2ubuntu3.1

7.58.0-2ubuntu3.2

7.58.0-2ubuntu3.3

7.58.0-2ubuntu3.5

7.58.0-2ubuntu3.6

7.58.0-2ubuntu3.7

7.58.0-2ubuntu3.8

7.58.0-2ubuntu3.9

7.58.0-2ubuntu3.10

7.58.0-2ubuntu3.12

7.58.0-2ubuntu3.13

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "curl"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "curl-dbgsym"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl3-gnutls"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl3-gnutls-dbgsym"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl3-nss"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl3-nss-dbgsym"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4-dbgsym"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4-doc"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4-gnutls-dev"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4-nss-dev"
        },
        {
            "binary_version": "7.58.0-2ubuntu3.14",
            "binary_name": "libcurl4-openssl-dev"
        }
    ]
}

Ubuntu:20.04:LTS / curl

Package

Name: curl
Purl: pkg:deb/ubuntu/curl?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.68.0-1ubuntu2.6

Affected versions

7.*

7.65.3-1ubuntu3

7.65.3-1ubuntu4

7.66.0-1ubuntu1

7.67.0-2ubuntu1

7.68.0-1ubuntu1

7.68.0-1ubuntu2

7.68.0-1ubuntu2.1

7.68.0-1ubuntu2.2

7.68.0-1ubuntu2.4

7.68.0-1ubuntu2.5

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "curl"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "curl-dbgsym"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl3-gnutls"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl3-gnutls-dbgsym"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl3-nss"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl3-nss-dbgsym"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4-dbgsym"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4-doc"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4-gnutls-dev"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4-nss-dev"
        },
        {
            "binary_version": "7.68.0-1ubuntu2.6",
            "binary_name": "libcurl4-openssl-dev"
        }
    ]
}

Ubuntu:22.04:LTS / curl

Package

Name: curl
Purl: pkg:deb/ubuntu/curl?arch=src?distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.74.0-1.3ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "curl"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "curl-dbgsym"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl3-gnutls"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl3-gnutls-dbgsym"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl3-nss"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl3-nss-dbgsym"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4-dbgsym"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4-doc"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4-gnutls-dev"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4-nss-dev"
        },
        {
            "binary_version": "7.74.0-1.3ubuntu2",
            "binary_name": "libcurl4-openssl-dev"
        }
    ]
}