Vulnerability-Lookup

CNVD-2021-40319

Vulnerability from cnvd - Published: 2021-06-08

Title

UPX断言中止漏洞

Description

UPX是一款开源可执行文件打包程序，支持来自不同操作系统的多种文件格式。 UPX 4.0.0版本中的mem.cpp中的MemBuffer::alloc()存在断言中止漏洞。攻击者可通过特制文件利用该漏洞导致拒绝服务。

Severity

中

Patch Name

UPX断言中止漏洞的补丁

Patch Description

UPX是一款开源可执行文件打包程序，支持来自不同操作系统的多种文件格式。 UPX 4.0.0版本中的mem.cpp中的MemBuffer::alloc()存在断言中止漏洞。攻击者可通过特制文件利用该漏洞导致拒绝服务。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/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-30501

Impacted products

Name
UPX UPX 4.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-30501",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-30501"
    }
  },
  "description": "UPX\u662f\u4e00\u6b3e\u5f00\u6e90\u53ef\u6267\u884c\u6587\u4ef6\u6253\u5305\u7a0b\u5e8f\uff0c\u652f\u6301\u6765\u81ea\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u591a\u79cd\u6587\u4ef6\u683c\u5f0f\u3002\n\nUPX 4.0.0\u7248\u672c\u4e2d\u7684mem.cpp\u4e2d\u7684MemBuffer::alloc()\u5b58\u5728\u65ad\u8a00\u4e2d\u6b62\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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\uff1ahttps://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-40319",
  "openTime": "2021-06-08",
  "patchDescription": "UPX\u662f\u4e00\u6b3e\u5f00\u6e90\u53ef\u6267\u884c\u6587\u4ef6\u6253\u5305\u7a0b\u5e8f\uff0c\u652f\u6301\u6765\u81ea\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u591a\u79cd\u6587\u4ef6\u683c\u5f0f\u3002\r\n\r\nUPX 4.0.0\u7248\u672c\u4e2d\u7684mem.cpp\u4e2d\u7684MemBuffer::alloc()\u5b58\u5728\u65ad\u8a00\u4e2d\u6b62\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "UPX\u65ad\u8a00\u4e2d\u6b62\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "UPX UPX 4.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-30501",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-27",
  "title": "UPX\u65ad\u8a00\u4e2d\u6b62\u6f0f\u6d1e"
}

CVE-2021-30501 (GCVE-0-2021-30501)

Vulnerability from cvelistv5 – Published: 2021-05-26 23:54 – Updated: 2024-08-03 22:32

Summary

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.

Severity

No CVSS data available.

CWE

CWE-20

Assigner

redhat redhat root

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1948696	x_refsource_MISC
https://github.com/upx/upx/issues/486	x_refsource_MISC
https://github.com/upx/upx/pull/487	x_refsource_MISC
https://github.com/upx/upx/commit/28e761cd42211df…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	upx	Affected: upx 4.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:32:41.143Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/upx/upx/issues/486"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/upx/upx/pull/487"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "upx",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "upx 4.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-26T23:54:30.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1948696"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/upx/upx/issues/486"
        },
        {
          "tags": [
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          "url": "https://github.com/upx/upx/pull/487"
        },
        {
          "tags": [
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          "url": "https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-30501",
    "datePublished": "2021-05-26T23:54:30.000Z",
    "dateReserved": "2021-04-12T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:32:41.143Z",
    "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.