Vulnerability-Lookup

CNVD-2022-02788

Vulnerability from cnvd - Published: 2022-01-12

Title

gif2apng缓冲区溢出漏洞（CNVD-2022-02788）

Description

gif2apng是一个简单的程序，可以将动画从GIF转换为APNG格式。 gif2apng存在缓冲区溢出漏洞，该漏洞源于产品的主函数未对内存边界做有效限制，攻击者可利用该漏洞导致缓冲区溢出。

Severity

中

Patch Name

gif2apng缓冲区溢出漏洞（CNVD-2022-02788）的补丁

Patch Description

gif2apng是一个简单的程序，可以将动画从GIF转换为APNG格式。 gif2apng存在缓冲区溢出漏洞，该漏洞源于产品的主函数未对内存边界做有效限制，攻击者可利用该漏洞导致缓冲区溢出。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://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-45911

Impacted products

Name
gif2apng gif2apng 1.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-45911"
    }
  },
  "description": "gif2apng\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5c06\u52a8\u753b\u4eceGIF\u8f6c\u6362\u4e3aAPNG\u683c\u5f0f\u3002\n\ngif2apng\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684\u4e3b\u51fd\u6570\u672a\u5bf9\u5185\u5b58\u8fb9\u754c\u505a\u6709\u6548\u9650\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\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://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-02788",
  "openTime": "2022-01-12",
  "patchDescription": "gif2apng\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5c06\u52a8\u753b\u4eceGIF\u8f6c\u6362\u4e3aAPNG\u683c\u5f0f\u3002\r\n\r\ngif2apng\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684\u4e3b\u51fd\u6570\u672a\u5bf9\u5185\u5b58\u8fb9\u754c\u505a\u6709\u6548\u9650\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\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": "gif2apng\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-02788\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "gif2apng gif2apng 1.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-45911",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-29",
  "title": "gif2apng\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-02788\uff09"
}

CVE-2021-45911 (GCVE-0-2021-45911)

Vulnerability from cvelistv5 – Published: 2021-12-28 00:01 – Updated: 2024-08-04 04:54

Summary

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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          "dateUpdated": "2024-08-04T04:54:31.060Z",
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              "x_transferred"
            ],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687"
          },
          {
            "name": "[debian-lts-announce] 20220307 [SECURITY] [DLA 2937-1] gif2apng security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html"
          }
        ],
        "title": "CVE Program Container"
      }
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          "vendor": "n/a",
          "versions": [
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          "lang": "en",
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        }
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-07T22:06:33.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687"
        },
        {
          "name": "[debian-lts-announce] 20220307 [SECURITY] [DLA 2937-1] gif2apng security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-45911",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "version": {
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                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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        "data_version": "4.0",
        "description": {
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  "cveMetadata": {
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    "datePublished": "2021-12-28T00:01:52.000Z",
    "dateReserved": "2021-12-28T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:54:31.060Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.