Vulnerability-Lookup

CNVD-2023-99030

Vulnerability from cnvd - Published: 2023-12-20

Title

Asterisk缓冲区溢出漏洞（CNVD-2023-99030）

Description

Asterisk是一款PBX系统的软件，运行在Linux系统上，支持使用SIP、IAX、H323协议进行IP通话。 Asterisk存在缓冲区溢出漏洞，该漏洞源于PJSIP_HEADER dialplan函数的“更新”功能可能会超出用于存储标头新值的可用缓冲区空间，攻击者可利用该漏洞可能会覆盖内存或导致崩溃。

Severity

高

Patch Name

Asterisk缓冲区溢出漏洞（CNVD-2023-9903086）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh

Reference

https://nvd.nist.gov/vuln/detail/CVE-2023-37457

Impacted products

Name
Asterisk Asterisk

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-37457",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-37457"
    }
  },
  "description": "Asterisk\u662f\u4e00\u6b3ePBX\u7cfb\u7edf\u7684\u8f6f\u4ef6\uff0c\u8fd0\u884c\u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u652f\u6301\u4f7f\u7528SIP\u3001IAX\u3001H323\u534f\u8bae\u8fdb\u884cIP\u901a\u8bdd\u3002\n\nAsterisk\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ePJSIP_HEADER dialplan\u51fd\u6570\u7684\u201c\u66f4\u65b0\u201d\u529f\u80fd\u53ef\u80fd\u4f1a\u8d85\u51fa\u7528\u4e8e\u5b58\u50a8\u6807\u5934\u65b0\u503c\u7684\u53ef\u7528\u7f13\u51b2\u533a\u7a7a\u95f4\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u80fd\u4f1a\u8986\u76d6\u5185\u5b58\u6216\u5bfc\u81f4\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-99030",
  "openTime": "2023-12-20",
  "patchDescription": "Asterisk\u662f\u4e00\u6b3ePBX\u7cfb\u7edf\u7684\u8f6f\u4ef6\uff0c\u8fd0\u884c\u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u652f\u6301\u4f7f\u7528SIP\u3001IAX\u3001H323\u534f\u8bae\u8fdb\u884cIP\u901a\u8bdd\u3002\r\n\r\nAsterisk\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ePJSIP_HEADER dialplan\u51fd\u6570\u7684\u201c\u66f4\u65b0\u201d\u529f\u80fd\u53ef\u80fd\u4f1a\u8d85\u51fa\u7528\u4e8e\u5b58\u50a8\u6807\u5934\u65b0\u503c\u7684\u53ef\u7528\u7f13\u51b2\u533a\u7a7a\u95f4\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u80fd\u4f1a\u8986\u76d6\u5185\u5b58\u6216\u5bfc\u81f4\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
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  "products": {
    "product": "Asterisk Asterisk"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2023-37457",
  "serverity": "\u9ad8",
  "submitTime": "2023-12-18",
  "title": "Asterisk\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2023-99030\uff09"
}

CVE-2023-37457 (GCVE-0-2023-37457)

Vulnerability from cvelistv5 – Published: 2023-12-14 19:43 – Updated: 2025-02-13 17:01

Title

Asterisk's PJSIP_HEADER dialplan function can overwrite memory/cause crash when using 'update'

Summary

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIP_HEADER dialplan function can exceed the available buffer space for storing the new value of a header. By doing so this can overwrite memory or cause a crash. This is not externally exploitable, unless dialplan is explicitly written to update a header based on data from an outside source. If the 'update' functionality is not used the vulnerability does not occur. A patch is available at commit a1ca0268254374b515fa5992f01340f7717113fa.

Severity

7.5 (High)


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

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/asterisk/asterisk/security/adv…	x_refsource_CONFIRM
https://github.com/asterisk/asterisk/commit/a1ca0…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2023…

Impacted products

1 product

Vendor	Product	Version
asterisk	asterisk	Affected: <= 18.20.0 Affected: >= 19.0.0, <= 20.5.0 Affected: = 21.0.0 Affected: <= 18.9-cert5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T17:16:30.273Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh"
          },
          {
            "name": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "asterisk",
          "vendor": "asterisk",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 18.20.0"
            },
            {
              "status": "affected",
              "version": "\u003e= 19.0.0, \u003c= 20.5.0"
            },
            {
              "status": "affected",
              "version": "= 21.0.0"
            },
            {
              "status": "affected",
              "version": "\u003c= 18.9-cert5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the \u0027update\u0027 functionality of the PJSIP_HEADER dialplan function can exceed the available buffer space for storing the new value of a header. By doing so this can overwrite memory or cause a crash. This is not externally exploitable, unless dialplan is explicitly written to update a header based on data from an outside source. If the \u0027update\u0027 functionality is not used the vulnerability does not occur. A patch is available at commit a1ca0268254374b515fa5992f01340f7717113fa."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-29T00:06:20.393Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh"
        },
        {
          "name": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html"
        }
      ],
      "source": {
        "advisory": "GHSA-98rc-4j27-74hh",
        "discovery": "UNKNOWN"
      },
      "title": "Asterisk\u0027s PJSIP_HEADER dialplan function can overwrite memory/cause crash when using \u0027update\u0027"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-37457",
    "datePublished": "2023-12-14T19:43:30.945Z",
    "dateReserved": "2023-07-06T13:01:36.996Z",
    "dateUpdated": "2025-02-13T17:01:26.636Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.