Vulnerability-Lookup

ubuntu-cve-2015-6806

Vulnerability from osv_ubuntu

Published

2015-09-28 00:00

Modified

2025-09-08 16:43

Summary

Details

The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

Severity

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2015-6806	REPORT
	http://www.openwall.com/lists/oss-security/2015/09/01/1	REPORT
	https://ubuntu.com/security/notices/USN-3996-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2015-6806	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "screen",
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "screen",
        "purl": "pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.3-14ubuntu10",
        "4.1.0~20120320gitdb59704-9"
      ]
    }
  ],
  "aliases": [],
  "details": "The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.",
  "id": "UBUNTU-CVE-2015-6806",
  "modified": "2025-09-08T16:43:27Z",
  "published": "2015-09-28T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-6806"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2015/09/01/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3996-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2015-6806"
    }
  ],
  "related": [
    "USN-3996-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2015-6806"
  ]
}

CVE-2015-6806 (GCVE-0-2015-6806)

Vulnerability from cvelistv5 – Published: 2015-09-28 20:00 – Updated: 2024-08-06 07:29

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

8 references

URL	Tags
http://www.openwall.com/lists/oss-security/2015/0…	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2015/09/01/1	mailing-listx_refsource_MLIST
http://git.savannah.gnu.org/cgit/screen.git/commi…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2015/09/03/4	mailing-listx_refsource_MLIST
https://savannah.gnu.org/bugs/?45713	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3352	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3996-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2015-08-07 00:00

Show details on NVD website

JSON

To clipboard

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usn-3996-1

Vulnerability from osv_ubuntu

Published

2019-05-29 13:55

Modified

2026-02-10 04:41

Summary

GNU Screen vulnerability

Details

Kuang-che Wu discovered that GNU Screen improperly handled certain input. An attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service or the execution of arbitrary code.

References

URL

Type

	https://ubuntu.com/security/notices/USN-3996-1	ADVISORY
	https://ubuntu.com/security/CVE-2015-6806	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-6806",
              "severity": [
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "screen",
            "binary_version": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "screen",
        "purl": "pkg:deb/ubuntu/screen@4.1.0~20120320gitdb59704-9ubuntu0.1~esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0~20120320gitdb59704-9ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.3-14ubuntu10",
        "4.1.0~20120320gitdb59704-9"
      ]
    }
  ],
  "aliases": [],
  "details": "Kuang-che Wu discovered that GNU Screen improperly handled certain input. An \nattacker could use this issue to cause GNU Screen to crash, resulting in a\ndenial of service or the execution of arbitrary code.\n",
  "id": "USN-3996-1",
  "modified": "2026-02-10T04:41:33Z",
  "published": "2019-05-29T13:55:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3996-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-6806"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "GNU Screen vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-6806"
  ]
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2015-6806

Vulnerability from osv_ubuntu

CVE-2015-6806 (GCVE-0-2015-6806)

usn-3996-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature