Vulnerability-Lookup

UBUNTU-CVE-2005-4890 (CVE-2005-4890)

Vulnerability from osv_ubuntu – Published: 2019-11-04 19:15 – Updated: 2025-07-16 04:49 – Source website

Withdrawn 2025-07-18

Details

There is a possible tty hijacking in shadow 4.x before 4.1.5 and sudo 1.x before 1.7.4 via "su - user -c program". The user session can be escaped to the parent session by using the TIOCSTI ioctl to push characters into the input buffer to be read by the next process.

Severity

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2005-4890	REPORT
	http://www.openwall.com/lists/oss-security/2011/06/02/3	REPORT
	http://www.openwall.com/lists/oss-security/2012/11/05/8	REPORT
	http://www.ush.it/2009/01/06/25c3-ccc-congress-20…	REPORT
	http://www.redhat.com/archives/fedora-devel-list/…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2005-4890	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "login",
            "binary_version": "1:4.1.5.1-1ubuntu9"
          },
          {
            "binary_name": "passwd",
            "binary_version": "1:4.1.5.1-1ubuntu9"
          },
          {
            "binary_name": "uidmap",
            "binary_version": "1:4.1.5.1-1ubuntu9"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "shadow",
        "purl": "pkg:deb/ubuntu/shadow@1:4.1.5.1-1ubuntu9?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:4.1.5.1-1ubuntu9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:4.1.5.1-1ubuntu6",
        "1:4.1.5.1-1ubuntu7",
        "1:4.1.5.1-1ubuntu8"
      ]
    }
  ],
  "aliases": [],
  "details": "There is a possible tty hijacking in shadow 4.x before 4.1.5 and sudo 1.x before 1.7.4 via \"su - user -c program\". The user session can be escaped to the parent session by using the TIOCSTI ioctl to push characters into the input buffer to be read by the next process.",
  "id": "UBUNTU-CVE-2005-4890",
  "modified": "2025-07-16T04:49:52Z",
  "published": "2019-11-04T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2005-4890"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2011/06/02/3"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2012/11/05/8"
    },
    {
      "type": "REPORT",
      "url": "http://www.ush.it/2009/01/06/25c3-ccc-congress-2008-tricks-makes-you-smile/"
    },
    {
      "type": "REPORT",
      "url": "http://www.redhat.com/archives/fedora-devel-list/2004-July/msg01314.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2005-4890"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2005-4890"
  ],
  "withdrawn": "2025-07-18T16:42:37Z"
}

CVE-2005-4890 (GCVE-0-2005-4890)

Vulnerability from cvelistv5 – Published: 2019-11-04 18:38 – Updated: 2024-08-08 00:01

Summary

Severity

No CVSS data available.

CWE

tty hijacking possible in "su" via TIOCSTI ioctl

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1046 records in the last 180 days details

References

11 references

URL	Tags
http://www.openwall.com/lists/oss-security/2014/12/15/5	x_refsource_MISC
https://security-tracker.debian.org/tracker/CVE-2…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_MISC
https://access.redhat.com/security/cve/cve-2005-4890	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2012/11/06/8	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2013/05/20/3	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2013/1…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2013/11/29/5	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2014/10/20/9	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2014/10/21/1	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2016/02/25/6	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Red Hat	shadow	Affected: 4.x before 4.1.5
Red Hat	sudo	Affected: 1.x before 1.7.4

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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