UBUNTU-CVE-2020-11612

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Source
https://ubuntu.com/security/CVE-2020-11612
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11612.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-11612
Related
Published
2020-04-07T18:15:00Z
Modified
2024-12-18T16:38:26Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.

References

Affected packages

Ubuntu:Pro:14.04:LTS / netty

Package

Name
netty
Purl
pkg:deb/ubuntu/netty?arch=src?distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

1:3.*

1:3.2.6.Final-2
1:3.2.6.Final-2+deb8u2build0.14.04.1~esm1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / netty

Package

Name
netty
Purl
pkg:deb/ubuntu/netty?arch=src?distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.0.34-1ubuntu0.1~esm1

Affected versions

1:3.*

1:3.2.6.Final-2

1:4.*

1:4.0.32-1
1:4.0.33-1
1:4.0.34-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "1:4.0.34-1ubuntu0.1~esm1",
            "binary_name": "libnetty-java"
        }
    ]
}

Ubuntu:18.04:LTS / netty

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.7-4ubuntu0.1

Affected versions

1:4.*

1:4.1.7-4

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "1:4.1.7-4ubuntu0.1",
            "binary_name": "libnetty-java"
        }
    ]
}

Ubuntu:20.04:LTS / netty

Package

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

Affected ranges

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

Affected versions

1:4.*

1:4.1.33-1
1:4.1.33-2
1:4.1.33-3
1:4.1.45-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / netty

Package

Name
netty
Purl
pkg:deb/ubuntu/netty?arch=src?distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.45-1ubuntu0.1~esm1

Affected versions

1:4.*

1:4.1.33-1
1:4.1.33-2
1:4.1.33-3
1:4.1.45-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "1:4.1.45-1ubuntu0.1~esm1",
            "binary_name": "libnetty-java"
        }
    ]
}