Vulnerability-Lookup

CVE-2018-1123 (GCVE-0-2018-1123)

Vulnerability from cvelistv5 – Published: 2018-05-23 14:00 – Updated: 2025-12-17 21:19

Summary

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

Severity

3.9 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-17 21:19 UTC

CWE

CWE-122

Assigner

redhat redhat root

References

14 references

URL	Tags
https://usn.ubuntu.com/3658-1/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4208	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201805-14	vendor-advisoryx_refsource_GENTOO
https://www.exploit-db.com/exploits/44806/	exploitx_refsource_EXPLOIT-DB
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3658-3/	vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/104214	vdb-entryx_refsource_BID
http://seclists.org/oss-sec/2018/q2/122	mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://www.qualys.com/2018/05/17/procps-ng-audit…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.apache.org/thread.html/rf4c02775860…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294b…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version	CPE status
[UNKNOWN]	procps-ng, procps	Affected: procps-ng 3.3.15	guessed

Date Public

2018-05-17 00:00

Show details on NVD website

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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T11:49:59+00:00",
      "cve": "CVE-2018-1123",
      "id": "CVE-2018-1123",
      "initial_release_date": "2018-05-17T17:00:00+00:00",
      "product_status:known_affected": "8",
      "product_status:known_not_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "procps: denial of service in ps via mmap buffer overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1123.json",
      "version": "3"
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Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"CWE-122\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2018-1123\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"secalert@redhat.com\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2018-1123\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-17T21:19:29.864Z\", \"dateReserved\": \"2017-12-04T00:00:00.000Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2018-05-23T14:00:00.000Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

SUSE-SU-2018:2042-1

Vulnerability from csaf_suse - Published: 2018-07-23 08:58 - Updated: 2018-07-23 08:58

Summary

Security update for procps

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2018-1123.

CVE-2018-1123

3.3 (Low)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Recommended: 10 products

Open the full advisory

SUSE-SU-2018:2451-2

Vulnerability from csaf_suse - Published: 2018-11-26 16:46 - Updated: 2018-11-26 16:46

Summary

Security update for procps

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2018-1123.

CVE-2018-1123

3.3 (Low)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Recommended: 22 products

Open the full advisory

SUSE-SU-2019:0450-1

Vulnerability from csaf_suse - Published: 2019-02-20 15:43 - Updated: 2019-02-20 15:43

Summary

Security update for procps

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2018-1123.

CVE-2018-1123

3.3 (Low)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Recommended: 74 products

Open the full advisory

SUSE-SU-2019:0450-2

Vulnerability from csaf_suse - Published: 2019-04-27 13:16 - Updated: 2019-04-27 13:16

Summary

Security update for procps

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2018-1123.

CVE-2018-1123

3.3 (Low)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Recommended: 2 products

Open the full advisory

SUSE-SU-2019:2730-1

Vulnerability from csaf_suse - Published: 2019-10-21 14:04 - Updated: 2019-10-21 14:04

Summary

Security update for procps

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2018-1123.

CVE-2018-1123

3.3 (Low)


                
                  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Recommended: 24 products

Open the full advisory

ubuntu-cve-2018-1123

Vulnerability from osv_ubuntu

Published

2018-05-17 17:00

Modified

2026-04-22 07:38

Summary

Details

Severity

7.5 (High)


                    
                      CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

3.9 (Low)


                    
                      CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-1123	REPORT
	https://www.qualys.com/2018/05/17/procps-ng-audit…	REPORT
	https://ubuntu.com/security/notices/USN-3658-1	ADVISORY
	https://ubuntu.com/security/notices/USN-3658-3	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2018-1123	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libprocps3",
            "binary_version": "1:3.3.9-1ubuntu2.3"
          },
          {
            "binary_name": "procps",
            "binary_version": "1:3.3.9-1ubuntu2.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "procps",
        "purl": "pkg:deb/ubuntu/procps@1:3.3.9-1ubuntu2.3?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:3.3.9-1ubuntu2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.3.3-2ubuntu7",
        "1:3.3.3-2ubuntu8",
        "1:3.3.8-2ubuntu1",
        "1:3.3.8-2ubuntu3",
        "1:3.3.9-1ubuntu2",
        "1:3.3.9-1ubuntu2.1",
        "1:3.3.9-1ubuntu2.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libprocps4",
            "binary_version": "2:3.3.10-4ubuntu2.4"
          },
          {
            "binary_name": "procps",
            "binary_version": "2:3.3.10-4ubuntu2.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "procps",
        "purl": "pkg:deb/ubuntu/procps@2:3.3.10-4ubuntu2.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:3.3.10-4ubuntu2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.3.9-1ubuntu8",
        "2:3.3.10-4ubuntu1",
        "2:3.3.10-4ubuntu2",
        "2:3.3.10-4ubuntu2.2",
        "2:3.3.10-4ubuntu2.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libprocps6",
            "binary_version": "2:3.3.12-3ubuntu1.1"
          },
          {
            "binary_name": "procps",
            "binary_version": "2:3.3.12-3ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "procps",
        "purl": "pkg:deb/ubuntu/procps@2:3.3.12-3ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:3.3.12-3ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:3.3.12-1ubuntu2",
        "2:3.3.12-3ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).",
  "id": "UBUNTU-CVE-2018-1123",
  "modified": "2026-04-22T07:38:29Z",
  "published": "2018-05-17T17:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-1123"
    },
    {
      "type": "REPORT",
      "url": "https://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3658-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3658-3"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-1123"
    }
  ],
  "related": [
    "USN-3658-1",
    "USN-3658-3"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-1123"
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
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.

Action not permitted

CVE-2018-1123 (GCVE-0-2018-1123)

SUSE-SU-2018:2042-1

SUSE-SU-2018:2451-2

SUSE-SU-2019:0450-1

SUSE-SU-2019:0450-2

SUSE-SU-2019:2730-1

ubuntu-cve-2018-1123

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature