USN-4491-1

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Source
https://ubuntu.com/security/notices/USN-4491-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4491-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4491-1
Related
Published
2020-09-09T11:04:03.105720Z
Modified
2020-09-09T11:04:03.105720Z
Summary
gnutls28 vulnerability
Details

It was discovered that GnuTLS incorrectly handled certain alerts when being used with TLS 1.3 servers. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:20.04:LTS / gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.6.13-2ubuntu1.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.13-2ubuntu1.3

Affected versions

3.*

3.6.9-5ubuntu1
3.6.9-5ubuntu2
3.6.10-5
3.6.11.1-2
3.6.11.1-2ubuntu2
3.6.13-2ubuntu1
3.6.13-2ubuntu1.1
3.6.13-2ubuntu1.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gnutls-bin",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "gnutls-bin-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "gnutls-doc",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "guile-gnutls",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "guile-gnutls-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls-dane0",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls-dane0-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls-openssl27",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls-openssl27-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls28-dev",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls30",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutls30-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutlsxx28",
            "binary_version": "3.6.13-2ubuntu1.3"
        },
        {
            "binary_name": "libgnutlsxx28-dbgsym",
            "binary_version": "3.6.13-2ubuntu1.3"
        }
    ]
}