UBUNTU-CVE-2023-42115

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Source

https://ubuntu.com/security/CVE-2023-42115

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-42115.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-42115

Related

Published

2023-09-28T00:00:00Z

Modified

2023-09-28T00:00:00Z

Summary

[none]

Details

Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-17434.

References

Affected packages

Ubuntu:20.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.93-13ubuntu1.8

Affected versions

4.*

4.92.1-1ubuntu3

4.92.1-1ubuntu4

4.93~RC2-1ubuntu1

4.93-9ubuntu1

4.93-11ubuntu1

4.93-12ubuntu1

4.93-13ubuntu1

4.93-13ubuntu1.1

4.93-13ubuntu1.5

4.93-13ubuntu1.6

4.93-13ubuntu1.7

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-base-dbgsym"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-daemon-heavy-dbgsym"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-daemon-light-dbgsym"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "eximon4"
        },
        {
            "binary_version": "4.93-13ubuntu1.8",
            "binary_name": "eximon4-dbgsym"
        }
    ]
}

Ubuntu:22.04:LTS / exim4

Package

Name: exim4
Purl: pkg:deb/ubuntu/exim4?arch=src?distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.95-4ubuntu2.3

Affected versions

4.*

4.94.2-7ubuntu2

4.95-2ubuntu2

4.95-4ubuntu1

4.95-4ubuntu2

4.95-4ubuntu2.1

4.95-4ubuntu2.2

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-base-dbgsym"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-daemon-heavy-dbgsym"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-daemon-light-dbgsym"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "eximon4"
        },
        {
            "binary_version": "4.95-4ubuntu2.3",
            "binary_name": "eximon4-dbgsym"
        }
    ]
}