Vulnerability-Lookup

CNVD-2021-07117

Vulnerability from cnvd - Published: 2021-01-28

Title

Gentoo Linux缓冲区溢出漏洞

Description

Gentoo是Gentoo基金会的一套开源的Linux系统。 Gentoo Linux在8.1.0之前的版本中存在缓冲区溢出漏洞，该漏洞源于系统偏移量和长度表处理不当，在解码精心编制的SGI RLE图像文件时SGIRleDecode有一个4字节的缓冲区溢出。攻击者可能利用此漏洞执行远程代码。

Severity

中

Patch Name

Gentoo Linux缓冲区溢出漏洞的补丁

Patch Description

Gentoo是Gentoo基金会的一套开源的Linux系统。 Gentoo Linux在8.1.0之前的版本中存在缓冲区溢出漏洞，该漏洞源于系统偏移量和长度表处理不当，在解码精心编制的SGI RLE图像文件时SGIRleDecode有一个4字节的缓冲区溢出。攻击者可能利用此漏洞执行远程代码。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://security.gentoo.org/glsa/202101-08

Reference

https://packetstormsecurity.com/files/160895/Gentoo-Linux-Security-Advisory-202101-08.html

Impacted products

Name
['Combodo Combodo iTop <2.7.2', 'Combodo Combodo iTop <3.0.0']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35655",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35655"
    }
  },
  "description": "Gentoo\u662fGentoo\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684Linux\u7cfb\u7edf\u3002\n\nGentoo Linux\u57288.1.0\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7cfb\u7edf\u504f\u79fb\u91cf\u548c\u957f\u5ea6\u8868\u5904\u7406\u4e0d\u5f53\uff0c\u5728\u89e3\u7801\u7cbe\u5fc3\u7f16\u5236\u7684SGI RLE\u56fe\u50cf\u6587\u4ef6\u65f6SGIRleDecode\u6709\u4e00\u4e2a4\u5b57\u8282\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u6b64\u6f0f\u6d1e\u6267\u884c\u8fdc\u7a0b\u4ee3\u7801\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://security.gentoo.org/glsa/202101-08",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-07117",
  "openTime": "2021-01-28",
  "patchDescription": "Gentoo\u662fGentoo\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u5f00\u6e90\u7684Linux\u7cfb\u7edf\u3002\r\n\r\nGentoo Linux\u57288.1.0\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7cfb\u7edf\u504f\u79fb\u91cf\u548c\u957f\u5ea6\u8868\u5904\u7406\u4e0d\u5f53\uff0c\u5728\u89e3\u7801\u7cbe\u5fc3\u7f16\u5236\u7684SGI RLE\u56fe\u50cf\u6587\u4ef6\u65f6SGIRleDecode\u6709\u4e00\u4e2a4\u5b57\u8282\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u6b64\u6f0f\u6d1e\u6267\u884c\u8fdc\u7a0b\u4ee3\u7801\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": "Gentoo Linux\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Combodo Combodo iTop \u003c2.7.2",
      "Combodo Combodo iTop \u003c3.0.0"
    ]
  },
  "referenceLink": "https://packetstormsecurity.com/files/160895/Gentoo-Linux-Security-Advisory-202101-08.html",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-12",
  "title": "Gentoo Linux\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-35655 (GCVE-0-2020-35655)

Vulnerability from cvelistv5 – Published: 2021-01-12 08:08 – Updated: 2024-08-04 17:09

Summary

In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image files because offsets and length tables are mishandled.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://pillow.readthedocs.io/en/stable/releaseno…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Show details on NVD website

JSON

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              "x_transferred"
            ],
            "url": "https://pillow.readthedocs.io/en/stable/releasenotes/index.html"
          },
          {
            "name": "FEDORA-2021-a8ddc1ce70",
            "tags": [
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              "x_refsource_FEDORA",
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            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/"
          },
          {
            "name": "FEDORA-2021-880aa7bd27",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/"
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          "value": "In Pillow before 8.1.0, SGIRleDecode has a 4-byte buffer over-read when decoding crafted SGI RLE image files because offsets and length tables are mishandled."
        }
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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        "dateUpdated": "2021-01-24T02:06:07.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
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          "tags": [
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        },
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          "name": "FEDORA-2021-a8ddc1ce70",
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          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BYVI5G44MRIPERKYDQEL3S3YQCZTVHE/"
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          "tags": [
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            "x_refsource_FEDORA"
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BF553AMNNNBW7SH4IM4MNE4M6GNZQ7YD/"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-35655",
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        "affects": {
          "vendor": {
            "vendor_data": [
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            },
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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.