Vulnerability-Lookup

GHSA-VG2P-X98M-7MXR

Vulnerability from github – Published: 2022-05-24 17:33 – Updated: 2022-05-24 17:33

Details

An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-16127"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-11-11T04:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.",
  "id": "GHSA-vg2p-x98m-7mxr",
  "modified": "2022-05-24T17:33:38Z",
  "published": "2022-05-24T17:33:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16127"
    },
    {
      "type": "ADVISORY",
      "url": "https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-16127 (GCVE-0-2020-16127)

Vulnerability from cvelistv5 – Published: 2020-11-11 04:10 – Updated: 2024-09-16 17:58

Title

accountsservice .pam_environment infinite loop

Summary

Severity ?

2.8 (Low)


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

CWE

CWE-20 - Improper Input Validation

Assigner

canonical

References

URL

Tags

https://securitylab.github.com/advisories/GHSL-20…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Freedesktop	accountsservice	Affected: 0.6.35-0ubuntu7.3 , < 0.6.35-0ubuntu7.3+esm2 (custom) Affected: 0.6.40-2ubuntu11 , < 0.6.40-2ubuntu11.6 (custom) Affected: 0.6.45-1ubuntu1 , < 0.6.45-1ubuntu1.3 (custom) Affected: 0.6.55-0ubuntu , < 0.6.55-0ubuntu12~20.04.4 (custom) Affected: 0.6.55-0ubuntu13 , < 0.6.55-0ubuntu13.2 (custom)

Credits

Kevin Backhouse

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            "url": "https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS"
          }
        ],
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        }
      ],
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Sightings

Author	Source	Type	Date

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.

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GHSA-VG2P-X98M-7MXR

CVE-2020-16127 (GCVE-0-2020-16127)

Tags

Sightings

Nomenclature