Vulnerability-Lookup

CNVD-2020-53121

Vulnerability from cnvd - Published: 2020-09-21

Title

PCRE输入验证错误漏洞

Description

PCRE是Philip Hazel软件开发者的一款使用C语言编写的开源正则表达式函数库。 PCRE 8.44之前版本中的libpcre存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。攻击者可借助大量请求利用该漏洞在系统上执行任意代码或导致应用程序崩溃。

Severity

中

Patch Name

PCRE输入验证错误漏洞的补丁

Patch Description

PCRE是Philip Hazel软件开发者的一款使用C语言编写的开源正则表达式函数库。 PCRE 8.44之前版本中的libpcre存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。攻击者可借助大量请求利用该漏洞在系统上执行任意代码或导致应用程序崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.pcre.org/original/changelog.txt

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-14155

Impacted products

Name
PCRE PCRE <8.44

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14155"
    }
  },
  "description": "PCRE\u662fPhilip Hazel\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u6b63\u5219\u8868\u8fbe\u5f0f\u51fd\u6570\u5e93\u3002\n\nPCRE 8.44\u4e4b\u524d\u7248\u672c\u4e2d\u7684libpcre\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u5bf9\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u6b63\u786e\u7684\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5927\u91cf\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.pcre.org/original/changelog.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-53121",
  "openTime": "2020-09-21",
  "patchDescription": "PCRE\u662fPhilip Hazel\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90\u6b63\u5219\u8868\u8fbe\u5f0f\u51fd\u6570\u5e93\u3002\r\n\r\nPCRE 8.44\u4e4b\u524d\u7248\u672c\u4e2d\u7684libpcre\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u5bf9\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u6b63\u786e\u7684\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5927\u91cf\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\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",
  "patchName": "PCRE\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PCRE PCRE \u003c8.44"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14155",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-16",
  "title": "PCRE\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-14155 (GCVE-0-2020-14155)

Vulnerability from cvelistv5 – Published: 2020-06-15 00:00 – Updated: 2024-08-04 12:39

Summary

libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

10 references

URL	Tags
https://bugs.gentoo.org/717920
https://www.pcre.org/original/changelog.txt
http://seclists.org/fulldisclosure/2020/Dec/32	mailing-list
https://support.apple.com/kb/HT211931
http://seclists.org/fulldisclosure/2021/Feb/14	mailing-list
https://lists.apache.org/thread.html/rf9fa47ab664…	mailing-list
https://support.apple.com/kb/HT212147
https://www.oracle.com/security-alerts/cpuapr2022.html
https://about.gitlab.com/releases/2020/07/01/secu…
https://security.netapp.com/advisory/ntap-2022102…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:39:36.025Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.gentoo.org/717920"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.pcre.org/original/changelog.txt"
          },
          {
            "name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.apple.com/kb/HT211931"
          },
          {
            "name": "20210201 APPLE-SA-2021-02-01-1 macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2021/Feb/14"
          },
          {
            "name": "[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.apple.com/kb/HT212147"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://about.gitlab.com/releases/2020/07/01/security-release-13-1-2-release/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20221028-0010/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-28T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://bugs.gentoo.org/717920"
        },
        {
          "url": "https://www.pcre.org/original/changelog.txt"
        },
        {
          "name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2020/Dec/32"
        },
        {
          "url": "https://support.apple.com/kb/HT211931"
        },
        {
          "name": "20210201 APPLE-SA-2021-02-01-1 macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2021/Feb/14"
        },
        {
          "name": "[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"
        },
        {
          "url": "https://support.apple.com/kb/HT212147"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "url": "https://about.gitlab.com/releases/2020/07/01/security-release-13-1-2-release/"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20221028-0010/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-14155",
    "datePublished": "2020-06-15T00:00:00.000Z",
    "dateReserved": "2020-06-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:39:36.025Z",
    "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.

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.

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CNVD-2020-53121

CVE-2020-14155 (GCVE-0-2020-14155)

Tags

Sightings

Nomenclature

Related by attack behaviour