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pcp — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2023-6917

A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.

Products
pcp
Affected versions
3.10.6, 3.10.8, 3.10.8build1, 3.12.1, 3.12.2-1, 4.0.0-1, 4.0.1-1, 4.3.4-1build1, 4.3.4-1build2, 5.0.0-1, 5.0.1-1, 5.0.2-1.1, 5.0.2-1.1build1, 5.0.3-1, 5.3.2-1, 5.3.4-1, 5.3.5-1, 5.3.5-1build1, 5.3.6-1build1, 6.0.5-1, 6.1.0-1, 6.1.1-1, 6.1.1-1build2, 6.2.0-1, 6.2.0-1.1build3, 6.2.0-1.1build4, 6.3.3-1, 6.3.8-1, 7.0.2-1, 7.1.0-1, 7.1.1-1, 7.1.3-2, 7.1.4-1, 7.1.5-1, 7.2.0-1, 7.2.1-2, 7.2.1-2build1
Fixed versions
Not specified
CVEs
CVE-2023-6917
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:06 UTC · Revision 1

Source evidence

UBUNTU-CVE-2023-6917

core-osv · Original source

Published 28 Feb 2024, 15:15 UTC

A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.

osv:UBUNTU-CVE-2023-6917

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

pcp

Fixed versions: Not specified

Complete source record
{
  "id": "d2c24479030ac5ceaa9a4dc3d1dbfe9c6d80a9c9f34d7a89a51c3278004953d7",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-6917",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2023-6917",
    "summary": "A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.",
    "evidence": "osv:UBUNTU-CVE-2023-6917",
    "products": [
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          "evidence": "/affected/0/package/name"
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            "evidence": "/affected/0/versions"
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          {
            "value": "6.1.0-1",
            "evidence": "/affected/4/versions"
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          {
            "value": "6.1.1-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "6.1.1-1build2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "6.2.0-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "6.2.0-1.1build3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "6.2.0-1.1build4",
            "evidence": "/affected/4/versions"
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        ]
      },
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          "evidence": "/affected/5/package/name"
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        },
        "prerequisites": [],
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          },
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            "evidence": "/affected/6/versions"
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            "evidence": "/affected/6/versions"
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          {
            "value": "7.2.1-2build1",
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        ]
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          "evidence": "/affected/7/package/name"
        },
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            "value": "6.3.8-1",
            "evidence": "/affected/7/versions"
          },
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            "value": "7.0.2-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "7.1.0-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "7.1.1-1",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2023-6917",
      "aliases": [
        "UBUNTU-CVE-2023-6917"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
        },
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
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            "purl": "pkg:deb/ubuntu/pcp?arch=source&distro=xenial",
            "ecosystem": "Ubuntu:16.04:LTS"
          },
          "versions": [
            "3.10.6",
            "3.10.8",
            "3.10.8build1"
          ],
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          },
          "ecosystem_specific": {
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                "binary_name": "libpcp-gui2",
                "binary_version": "3.10.8build1"
              },
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                "binary_name": "libpcp-import-perl",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "libpcp-import1",
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              },
              {
                "binary_name": "libpcp-logsummary-perl",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "libpcp-mmv-perl",
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              },
              {
                "binary_name": "libpcp-mmv1",
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              },
              {
                "binary_name": "libpcp-pmda-perl",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "libpcp-pmda3",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "libpcp-trace2",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "libpcp3",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "pcp",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "pcp-conf",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "pcp-gui",
                "binary_version": "3.10.8build1"
              },
              {
                "binary_name": "pcp-import-collectl2pcp",
                "binary_version": "3.10.8build1"
              },
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                "binary_name": "pcp-import-ganglia2pcp",
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          },
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              {
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              },
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              },
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              {
                "binary_name": "pcp-export-pcp2influxdb",
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              },
              {
                "binary_name": "pcp-export-zabbix-agent",
                "binary_version": "4.0.1-1"
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              {
                "binary_name": "pcp-gui",
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              },
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                "binary_name": "pcp-import-collectl2pcp",
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              },
              {
                "binary_name": "pcp-import-ganglia2pcp",
                "binary_version": "4.0.1-1"
              },
              {
                "binary_name": "pcp-import-iostat2pcp",
                "binary_version": "4.0.1-1"
              },
              {
                "binary_name": "pcp-import-mrtg2pcp",
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              },
              {
                "binary_name": "pcp-import-sar2pcp",
                "binary_version": "4.0.1-1"
              },
              {
                "binary_name": "pcp-import-sheet2pcp",
                "binary_version": "4.0.1-1"
              },
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              },
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                "binary_name": "libpcp-logsummary-perl",
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                "binary_name": "libpcp-web1",
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              },
              {
                "binary_name": "libpcp3",
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              },
              {
                "binary_name": "pcp",
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              },
              {
                "binary_name": "pcp-conf",
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              },
              {
                "binary_name": "pcp-export-pcp2graphite",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-export-pcp2influxdb",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-export-zabbix-agent",
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              },
              {
                "binary_name": "pcp-gui",
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              },
              {
                "binary_name": "pcp-import-collectl2pcp",
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              },
              {
                "binary_name": "pcp-import-ganglia2pcp",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-import-iostat2pcp",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-import-mrtg2pcp",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-import-sar2pcp",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-import-sheet2pcp",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-manager",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "pcp-testsuite",
                "binary_version": "5.0.3-1"
              },
              {
                "binary_name": "python3-pcp",
                "binary_version": "5.0.3-1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "pcp",
            "purl": "pkg:deb/ubuntu/pcp?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "5.3.2-1",
            "5.3.4-1",
            "5.3.5-1",
            "5.3.5-1build1",
            "5.3.6-1build1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6917.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "libpcp-gui2",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-import-perl",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-import1",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-logsummary-perl",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-mmv-perl",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-mmv1",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-pmda-perl",
                "binary_version": "5.3.6-1build1"
              },
              {
                "binary_name": "libpcp-pmda3",
                "binary_version": "5.3.6-1build1"
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                "binary_name": "pcp-export-zabbix-agent",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-gui",
                "binary_version": "7.1.1-1"
              },
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                "binary_name": "pcp-import-benchmarks",
                "binary_version": "7.1.1-1"
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              {
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                "binary_version": "7.1.1-1"
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              {
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                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-import-guidellm2pcp",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-import-iostat2pcp",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-import-mrtg2pcp",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-import-sar2pcp",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-import-sheet2pcp",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-pmda-infiniband",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-testsuite",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "pcp-zeroconf",
                "binary_version": "7.1.1-1"
              },
              {
                "binary_name": "python3-pcp",
                "binary_version": "7.1.1-1"
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            ]
          }
        }
      ],
      "modified": "2026-10-17T12:56:27.566906679Z",
      "provider": "osv",
      "upstream": [
        "CVE-2023-6917"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2023-6917",
        "https://access.redhat.com/security/cve/CVE-2023-6917",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2254983",
        "https://www.cve.org/CVERecord?id=CVE-2023-6917"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2023-6917",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 355699,
  "published_at": "2024-02-28T15:15:00+00:00"
}