Vulnerability-Lookup

CNVD-2020-30446

Vulnerability from cnvd - Published: 2020-05-28

Title

libexif资源管理错误漏洞

Description

libexif是一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。 libexif 0.6.22之前版本中存在安全漏洞，该漏洞源于程序在处理Canon EXIF MakerNote数据时未能限制大小值。攻击者可利用该漏洞使程序消耗大量计算时间来解码EXIF数据，导致服务中断。

Severity

中

Patch Name

libexif资源管理错误漏洞的补丁

Patch Description

libexif是一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。 libexif 0.6.22之前版本中存在安全漏洞，该漏洞源于程序在处理Canon EXIF MakerNote数据时未能限制大小值。攻击者可利用该漏洞使程序消耗大量计算时间来解码EXIF数据，导致服务中断。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://libexif.github.io/

Reference

https://vigilance.fr/vulnerability/libexif-three-vulnerabilities-32307

Impacted products

Name
libexif libexif <0.6.22

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13114"
    }
  },
  "description": "libexif\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u51fd\u6570\u5e93\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u4ece\u56fe\u5f62\u6587\u4ef6\u4e2d\u8bfb\u5199EXIF\u5143\u4fe1\u606f\u3002\n\nlibexif 0.6.22\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u5904\u7406Canon EXIF MakerNote\u6570\u636e\u65f6\u672a\u80fd\u9650\u5236\u5927\u5c0f\u503c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7a0b\u5e8f\u6d88\u8017\u5927\u91cf\u8ba1\u7b97\u65f6\u95f4\u6765\u89e3\u7801EXIF\u6570\u636e\uff0c\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\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://libexif.github.io/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-30446",
  "openTime": "2020-05-28",
  "patchDescription": "libexif\u662f\u4e00\u4e2a\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u51fd\u6570\u5e93\u3002\u8be5\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u4ece\u56fe\u5f62\u6587\u4ef6\u4e2d\u8bfb\u5199EXIF\u5143\u4fe1\u606f\u3002\r\n\r\nlibexif 0.6.22\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u5904\u7406Canon EXIF MakerNote\u6570\u636e\u65f6\u672a\u80fd\u9650\u5236\u5927\u5c0f\u503c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7a0b\u5e8f\u6d88\u8017\u5927\u91cf\u8ba1\u7b97\u65f6\u95f4\u6765\u89e3\u7801EXIF\u6570\u636e\uff0c\u5bfc\u81f4\u670d\u52a1\u4e2d\u65ad\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": "libexif\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libexif libexif \u003c0.6.22"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/libexif-three-vulnerabilities-32307",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-21",
  "title": "libexif\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-13114 (GCVE-0-2020-13114)

Vulnerability from cvelistv5 – Published: 2020-05-21 15:50 – Updated: 2024-08-04 12:11

Summary

An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/libexif/libexif/commit/e6a38a1…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4396-1/	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/202007-05	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

{
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        },
        "references": [
          {
            "tags": [
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            ],
            "url": "https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab"
          },
          {
            "name": "[debian-lts-announce] 20200528 [SECURITY] [DLA 2222-1] libexif security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html"
          },
          {
            "name": "openSUSE-SU-2020:0793",
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              "vendor-advisory",
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html"
          },
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            "name": "USN-4396-1",
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            ],
            "url": "https://usn.ubuntu.com/4396-1/"
          },
          {
            "name": "GLSA-202007-05",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202007-05"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html"
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        {
          "name": "openSUSE-SU-2020:0793",
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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.