UBUNTU-CVE-2017-6891

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Source
https://ubuntu.com/security/CVE-2017-6891
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6891.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2017-6891
Upstream
Downstream
Related
Published
2017-05-22T00:00:00Z
Modified
2025-07-16T07:33:36.620205Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Two errors in the "asn1findnode()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

References

Affected packages

Ubuntu:14.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.5?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4-3ubuntu0.5

Affected versions

3.*

3.3-2
3.4-2
3.4-3
3.4-3ubuntu0.1
3.4-3ubuntu0.2
3.4-3ubuntu0.3
3.4-3ubuntu0.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtasn1-3-bin",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-3-dev",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-6",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-6-dbg",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-6-dbgsym",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-6-dev",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-bin",
            "binary_version": "3.4-3ubuntu0.5"
        },
        {
            "binary_name": "libtasn1-bin-dbgsym",
            "binary_version": "3.4-3ubuntu0.5"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.7-3ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.7-3ubuntu0.16.04.2

Affected versions

4.*

4.5-2
4.7-2
4.7-3
4.7-3ubuntu0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtasn1-3-bin",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-6",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-6-dbgsym",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-6-dev",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-bin",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-bin-dbgsym",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        },
        {
            "binary_name": "libtasn1-doc",
            "binary_version": "4.7-3ubuntu0.16.04.2"
        }
    ],
    "availability": "No subscription required"
}