usn-5027-2
Vulnerability from osv_ubuntu
Published
2021-08-04 13:09
Modified
2026-06-25 10:46
Summary
php-pear vulnerability
Details

USN-5027-1 fixed a vulnerability in PEAR. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-32610",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "php-pear",
            "binary_version": "1:1.10.1+submodules+notgz-6ubuntu0.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "php-pear",
        "purl": "pkg:deb/ubuntu/php-pear@1:1.10.1+submodules+notgz-6ubuntu0.3+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:1.10.1+submodules+notgz-6ubuntu0.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.10.1+submodules+notgz-4",
        "1:1.10.1+submodules+notgz-6",
        "1:1.10.1+submodules+notgz-6ubuntu0.1",
        "1:1.10.1+submodules+notgz-6ubuntu0.2",
        "1:1.10.1+submodules+notgz-6ubuntu0.3"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5027-1 fixed a vulnerability in PEAR. This update provides\nthe corresponding update for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that PEAR incorrectly handled symbolic links in archives.\n A remote attacker could possibly use this issue to execute arbitrary code.\n",
  "id": "USN-5027-2",
  "modified": "2026-06-25T10:46:01Z",
  "published": "2021-08-04T13:09:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5027-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-32610"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "php-pear vulnerability",
  "upstream": [
    "UBUNTU-CVE-2021-32610"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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