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
2026-04-22T11:55:20Z
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 _asn1_decode_simple_ber 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
0 Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6003.json"