github - ghsa-7mv4-9v7r-5gq3

ghsa-7mv4-9v7r-5gq3

Vulnerability from github

Published

2022-05-24 17:14

Modified

2022-05-24 17:14

Details

An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.

Show details on source website

JSON

To clipboard

{
   affected: [],
   aliases: [
      "CVE-2019-12521",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-787",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2020-04-15T19:15:00Z",
      severity: "MODERATE",
   },
   details: "An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.",
   id: "GHSA-7mv4-9v7r-5gq3",
   modified: "2022-05-24T17:14:19Z",
   published: "2022-05-24T17:14:19Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2019-12521",
      },
      {
         type: "WEB",
         url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202005-05",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20210205-0006",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/4356-1",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2020/dsa-4682",
      },
      {
         type: "WEB",
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2020/04/23/1",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}

cve-2019-12521

Vulnerability from cvelistv5

Published

2020-04-15 18:47

Modified

2024-08-04 23:24

Severity ?

Summary

References

▼	URL	Tags
	https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/04/23/1	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2020/dsa-4682	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/202005-05	vendor-advisory, x_refsource_GENTOO
	https://usn.ubuntu.com/4356-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210205-0006/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T23:24:38.850Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt",
               },
               {
                  name: "[oss-security] 20200423 [ADVISORY] SQUID-2019:12 Multiple issues in ESI Response processing",
                  tags: [
                     "mailing-list",
                     "x_refsource_MLIST",
                     "x_transferred",
                  ],
                  url: "http://www.openwall.com/lists/oss-security/2020/04/23/1",
               },
               {
                  name: "DSA-4682",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_DEBIAN",
                     "x_transferred",
                  ],
                  url: "https://www.debian.org/security/2020/dsa-4682",
               },
               {
                  name: "openSUSE-SU-2020:0623",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_SUSE",
                     "x_transferred",
                  ],
                  url: "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html",
               },
               {
                  name: "GLSA-202005-05",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_GENTOO",
                     "x_transferred",
                  ],
                  url: "https://security.gentoo.org/glsa/202005-05",
               },
               {
                  name: "USN-4356-1",
                  tags: [
                     "vendor-advisory",
                     "x_refsource_UBUNTU",
                     "x_transferred",
                  ],
                  url: "https://usn.ubuntu.com/4356-1/",
               },
               {
                  name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
                  tags: [
                     "mailing-list",
                     "x_refsource_MLIST",
                     "x_transferred",
                  ],
                  url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://security.netapp.com/advisory/ntap-20210205-0006/",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "n/a",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "n/a",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "n/a",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-02-05T11:06:18",
            orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            shortName: "mitre",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt",
            },
            {
               name: "[oss-security] 20200423 [ADVISORY] SQUID-2019:12 Multiple issues in ESI Response processing",
               tags: [
                  "mailing-list",
                  "x_refsource_MLIST",
               ],
               url: "http://www.openwall.com/lists/oss-security/2020/04/23/1",
            },
            {
               name: "DSA-4682",
               tags: [
                  "vendor-advisory",
                  "x_refsource_DEBIAN",
               ],
               url: "https://www.debian.org/security/2020/dsa-4682",
            },
            {
               name: "openSUSE-SU-2020:0623",
               tags: [
                  "vendor-advisory",
                  "x_refsource_SUSE",
               ],
               url: "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html",
            },
            {
               name: "GLSA-202005-05",
               tags: [
                  "vendor-advisory",
                  "x_refsource_GENTOO",
               ],
               url: "https://security.gentoo.org/glsa/202005-05",
            },
            {
               name: "USN-4356-1",
               tags: [
                  "vendor-advisory",
                  "x_refsource_UBUNTU",
               ],
               url: "https://usn.ubuntu.com/4356-1/",
            },
            {
               name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
               tags: [
                  "mailing-list",
                  "x_refsource_MLIST",
               ],
               url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://security.netapp.com/advisory/ntap-20210205-0006/",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2019-12521",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "n/a",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "n/a",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElement is parsed, it is added via addStackElement. addStackElement has a check for the number of elements in this buffer, but it's off by 1, leading to a Heap Overflow of 1 element. The overflow is within the same structure so it can't affect adjacent memory blocks, and thus just leads to a crash while processing.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "n/a",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt",
                     refsource: "MISC",
                     url: "https://gitlab.com/jeriko.one/security/-/blob/master/squid/CVEs/CVE-2019-12521.txt",
                  },
                  {
                     name: "[oss-security] 20200423 [ADVISORY] SQUID-2019:12 Multiple issues in ESI Response processing",
                     refsource: "MLIST",
                     url: "http://www.openwall.com/lists/oss-security/2020/04/23/1",
                  },
                  {
                     name: "DSA-4682",
                     refsource: "DEBIAN",
                     url: "https://www.debian.org/security/2020/dsa-4682",
                  },
                  {
                     name: "openSUSE-SU-2020:0623",
                     refsource: "SUSE",
                     url: "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html",
                  },
                  {
                     name: "GLSA-202005-05",
                     refsource: "GENTOO",
                     url: "https://security.gentoo.org/glsa/202005-05",
                  },
                  {
                     name: "USN-4356-1",
                     refsource: "UBUNTU",
                     url: "https://usn.ubuntu.com/4356-1/",
                  },
                  {
                     name: "[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security update",
                     refsource: "MLIST",
                     url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20210205-0006/",
                     refsource: "CONFIRM",
                     url: "https://security.netapp.com/advisory/ntap-20210205-0006/",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
      assignerShortName: "mitre",
      cveId: "CVE-2019-12521",
      datePublished: "2020-04-15T18:47:43",
      dateReserved: "2019-06-02T00:00:00",
      dateUpdated: "2024-08-04T23:24:38.850Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted