cnvd - cnvd-2022-19081

CNVD-2022-19081

Vulnerability from cnvd - Published: 2022-03-14

Title

libslax代码问题漏洞

Description

libslax是一款SLAX语言的开源实现。 libslax存在代码问题漏洞，该漏洞源于在位于slaxLexer .c中的函数slaxLexer()中存在一个空指针解引用，攻击者可利用该漏洞引起拒绝服务。

Severity

中

Patch Name

libslax代码问题漏洞的补丁

Patch Description

libslax是一款SLAX语言的开源实现。 libslax存在代码问题漏洞，该漏洞源于在位于slaxLexer .c中的函数slaxLexer()中存在一个空指针解引用，攻击者可利用该漏洞引起拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/Juniper/libslax/issues/53

Reference

https://github.com/Juniper/libslax/issues/53

Impacted products

Name
libslax libslax 0.22.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39532",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-39532"
    }
  },
  "description": "libslax\u662f\u4e00\u6b3eSLAX\u8bed\u8a00\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nlibslax\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4f4d\u4e8eslaxLexer .c\u4e2d\u7684\u51fd\u6570slaxLexer()\u4e2d\u5b58\u5728\u4e00\u4e2a\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f15\u8d77\u62d2\u7edd\u670d\u52a1\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/Juniper/libslax/issues/53",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-19081",
  "openTime": "2022-03-14",
  "patchDescription": "libslax\u662f\u4e00\u6b3eSLAX\u8bed\u8a00\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nlibslax\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4f4d\u4e8eslaxLexer .c\u4e2d\u7684\u51fd\u6570slaxLexer()\u4e2d\u5b58\u5728\u4e00\u4e2a\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5f15\u8d77\u62d2\u7edd\u670d\u52a1\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": "libslax\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libslax libslax 0.22.1"
  },
  "referenceLink": "https://github.com/Juniper/libslax/issues/53",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-23",
  "title": "libslax\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-39532 (GCVE-0-2021-39532)

Vulnerability from cvelistv5 – Published: 2021-09-20 15:26 – Updated: 2024-08-04 02:06

Summary

An issue was discovered in libslax through v0.22.1. A NULL pointer dereference exists in the function slaxLexer() located in slaxlexer.c. It allows an attacker to cause Denial of Service.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/Juniper/libslax/issues/50

x_refsource_MISC

Show details on NVD website

JSON

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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:06:42.474Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/Juniper/libslax/issues/50"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
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        }
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            {
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              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2021-09-20T15:26:51",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Juniper/libslax/issues/50"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-39532",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
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                      }
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                "vendor_name": "n/a"
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        "data_format": "MITRE",
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "state": "PUBLISHED"
  },
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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

CNVD-2022-19081

CVE-2021-39532 (GCVE-0-2021-39532)

Tags

Sightings

Nomenclature