Vulnerability-Lookup

UBUNTU-CVE-2017-12932 (CVE-2017-12932)

Vulnerability from osv_ubuntu – Published: 2017-08-18 03:29 – Updated: 2026-04-22 07:38 – Source website

Details

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Severity

9.8 (Critical)


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

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2017-12932	REPORT
	http://php.net/ChangeLog-7.php	REPORT
	https://www.cve.org/CVERecord?id=CVE-2017-12932	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libapache2-mod-php7.0",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "libphp7.0-embed",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-bcmath",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-bz2",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-cgi",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-cli",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-common",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-curl",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-dba",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-enchant",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-fpm",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-gd",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-gmp",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-imap",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-interbase",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-intl",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-json",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-ldap",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-mbstring",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-mcrypt",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-mysql",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-odbc",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-opcache",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-pgsql",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-phpdbg",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-pspell",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-readline",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-recode",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-snmp",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-soap",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-sqlite3",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-sybase",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-tidy",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-xml",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-xmlrpc",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-xsl",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          },
          {
            "binary_name": "php7.0-zip",
            "binary_version": "7.0.25-0ubuntu0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "php7.0",
        "purl": "pkg:deb/ubuntu/php7.0@7.0.25-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.0.25-0ubuntu0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.0.1-5",
        "7.0.1-6",
        "7.0.2-1",
        "7.0.2-3",
        "7.0.2-4",
        "7.0.2-5",
        "7.0.3-2",
        "7.0.3-3",
        "7.0.3-9ubuntu1",
        "7.0.4-5ubuntu1",
        "7.0.4-5ubuntu2",
        "7.0.4-7ubuntu1",
        "7.0.4-7ubuntu2",
        "7.0.4-7ubuntu2.1",
        "7.0.8-0ubuntu0.16.04.1",
        "7.0.8-0ubuntu0.16.04.2",
        "7.0.8-0ubuntu0.16.04.3",
        "7.0.13-0ubuntu0.16.04.1",
        "7.0.15-0ubuntu0.16.04.1",
        "7.0.15-0ubuntu0.16.04.2",
        "7.0.15-0ubuntu0.16.04.4",
        "7.0.18-0ubuntu0.16.04.1",
        "7.0.22-0ubuntu0.16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.",
  "id": "UBUNTU-CVE-2017-12932",
  "modified": "2026-04-22T07:38:19Z",
  "published": "2017-08-18T03:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-12932"
    },
    {
      "type": "REPORT",
      "url": "http://php.net/ChangeLog-7.php"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-12932"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-12932"
  ]
}

CVE-2017-12932 (GCVE-0-2017-12932)

Vulnerability from cvelistv5 – Published: 2017-08-18 03:00 – Updated: 2024-08-05 18:51

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.securityfocus.com/bid/100427	vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:1296	vendor-advisoryx_refsource_REDHAT
https://github.com/php/php-src/commit/1a23ebc1fff…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018011…	x_refsource_CONFIRM
https://bugs.php.net/bug.php?id=74103	x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4080	vendor-advisoryx_refsource_DEBIAN
http://php.net/ChangeLog-7.php	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201709-21	vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2019:2519	vendor-advisoryx_refsource_REDHAT

Date Public

2017-08-17 00:00

Show details on NVD website

JSON

To clipboard

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          "tags": [
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          "url": "https://bugs.php.net/bug.php?id=74103"
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          "name": "DSA-4080",
          "tags": [
            "vendor-advisory",
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          "url": "https://www.debian.org/security/2018/dsa-4080"
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

UBUNTU-CVE-2017-12932 (CVE-2017-12932)

CVE-2017-12932 (GCVE-0-2017-12932)

Tags

Sightings

Nomenclature

Related by attack behaviour