github - ghsa-6fr3-g4mr-859f

GHSA-6FR3-G4MR-859F

Vulnerability from github – Published: 2022-05-24 17:01 – Updated: 2022-05-24 17:01

Details

An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.

Severity ?

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2019-18976"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-11-22T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.",
  "id": "GHSA-6fr3-g4mr-859f",
  "modified": "2022-05-24T17:01:48Z",
  "published": "2022-05-24T17:01:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18976"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/fulldisclosure/2019/Nov/20"
    },
    {
      "type": "WEB",
      "url": "https://www.asterisk.org/downloads/security-advisories"
    },
    {
      "type": "WEB",
      "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"
    },
    {
      "type": "WEB",
      "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2019-18976 (GCVE-0-2019-18976)

Vulnerability from cvelistv5 – Published: 2019-11-22 16:59 – Updated: 2024-08-05 02:02

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://www.asterisk.org/downloads/security-advisories	x_refsource_MISC
	https://www.cybersecurity-help.cz/vdb/SB201911221…	x_refsource_MISC
	https://packetstormsecurity.com/files/155436/Aste…	x_refsource_MISC
	https://seclists.org/fulldisclosure/2019/Nov/20	x_refsource_MISC
	http://downloads.asterisk.org/pub/security/AST-20…	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:02:39.983Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "x_transferred"
            ],
            "url": "https://www.asterisk.org/downloads/security-advisories"
          },
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://seclists.org/fulldisclosure/2019/Nov/20"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"
          },
          {
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            "tags": [
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              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "n/a",
          "versions": [
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          ],
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        "problemtype": {
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            },
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    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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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.

Action not permitted

GHSA-6FR3-G4MR-859F

CVE-2019-18976 (GCVE-0-2019-18976)

Tags

Sightings

Nomenclature