UBUNTU-CVE-2018-6003

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Source
https://ubuntu.com/security/CVE-2018-6003
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6003.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-6003
Upstream
Downstream
Related
Published
2018-01-22T00:00:00Z
Modified
2025-09-08T16:44:45Z
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
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in the asn1decodesimpleber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

References

Affected packages

Ubuntu:16.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.7-3ubuntu0.16.04.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.7-3ubuntu0.16.04.3

Affected versions

4.*

4.5-2
4.7-2
4.7-3
4.7-3ubuntu0.16.04.1
4.7-3ubuntu0.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.7-3ubuntu0.16.04.3",
            "binary_name": "libtasn1-3-bin"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3",
            "binary_name": "libtasn1-bin"
        }
    ],
    "availability": "No subscription required"
}