UBUNTU-CVE-2021-31878

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Source
https://ubuntu.com/security/CVE-2021-31878
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-31878
Upstream
Published
2021-07-30T14:15:00Z
Modified
2026-05-20T16:04:59.021179345Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.

References

Affected packages

Ubuntu:18.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:13.*
1:13.17.2~dfsg-1ubuntu1
1:13.17.2~dfsg-2ubuntu1
1:13.18.1~dfsg-1ubuntu1
1:13.18.3~dfsg-1ubuntu1
1:13.18.3~dfsg-1ubuntu2
1:13.18.3~dfsg-1ubuntu3
1:13.18.3~dfsg-1ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-tests"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-voicemail"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-voicemail-imapstorage"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-voicemail-odbcstorage"
        },
        {
            "binary_version": "1:13.18.3~dfsg-1ubuntu4",
            "binary_name": "asterisk-vpb"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:20.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:16.*
1:16.2.1~dfsg-2build2
1:16.2.1~dfsg-2build3
1:16.2.1~dfsg-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-tests"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-voicemail"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-voicemail-imapstorage"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-voicemail-odbcstorage"
        },
        {
            "binary_version": "1:16.2.1~dfsg-2ubuntu1",
            "binary_name": "asterisk-vpb"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:22.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:16.*
1:16.16.1~dfsg-2
1:16.16.1~dfsg-4
1:16.16.1~dfsg-4build1
1:16.16.1~dfsg+~2.10-1
1:18.*
1:18.10.0~dfsg+~cs6.10.40431411-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-tests"
        },
        {
            "binary_version": "1:18.10.0~dfsg+~cs6.10.40431411-2",
            "binary_name": "asterisk-vpb"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:24.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:20.*
1:20.4.0~dfsg+~cs6.13.40431414-2
1:20.5.0~dfsg+~cs6.13.40431414-1
1:20.5.1~dfsg+~cs6.13.40431414-1
1:20.5.2~dfsg+~cs6.13.40431414-1
1:20.6.0~dfsg+~cs6.13.40431414-1
1:20.6.0~dfsg+~cs6.13.40431414-2
1:20.6.0~dfsg+~cs6.13.40431414-2build3
1:20.6.0~dfsg+~cs6.13.40431414-2build4
1:20.6.0~dfsg+~cs6.13.40431414-2build5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:20.6.0~dfsg+~cs6.13.40431414-2build5",
            "binary_name": "asterisk-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:25.10
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:22.*
1:22.2.0~dfsg+~cs6.15.60671435-2
1:22.3.0~dfsg+~cs6.15.60671435-1
1:22.4.1~dfsg+~cs6.15.60671435-1
1:22.4.1~dfsg+~cs6.15.60671435-2
1:22.5.1~dfsg+~cs6.15.60671435-1
1:22.5.2~dfsg+~cs6.15.60671435-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:26.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:22.*
1:22.5.2~dfsg+~cs6.15.60671435-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:22.5.2~dfsg+~cs6.15.60671435-1",
            "binary_name": "asterisk-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"
Ubuntu:Pro:16.04:LTS
asterisk

Package

Name
asterisk
Purl
pkg:deb/ubuntu/asterisk?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1:13.*
1:13.1.0~dfsg-1.1ubuntu3
1:13.1.0~dfsg-1.1ubuntu4
1:13.1.0~dfsg-1.1ubuntu4.1
1:13.1.0~dfsg-1.1ubuntu4.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-config"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-dahdi"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-mobile"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-modules"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-mp3"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-mysql"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-ooh323"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-voicemail"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-voicemail-imapstorage"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-voicemail-odbcstorage"
        },
        {
            "binary_version": "1:13.1.0~dfsg-1.1ubuntu4.1+esm1",
            "binary_name": "asterisk-vpb"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-31878.json"