Vulnerability-Lookup

CNVD-2019-41502

Vulnerability from cnvd - Published: 2019-11-20

Title

fribidi缓冲区溢出漏洞

Description

fribidi是一款Unicode双向算法的开源实现。 fribidi 1.0.0版本至1.0.7版本中的lib/fribidi-bidi.c文件的‘fribidi_get_par_embedding_levels_ex()’函数存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Patch Name

fribidi缓冲区溢出漏洞的补丁

Patch Description

fribidi是一款Unicode双向算法的开源实现。 fribidi 1.0.0版本至1.0.7版本中的lib/fribidi-bidi.c文件的‘fribidi_get_par_embedding_levels_ex()’函数存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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： http://fribidi.org/

Reference

https://www.auscert.org.au/bulletins/ESB-2019.4215/ https://usn.ubuntu.com/4179-1/

Impacted products

Name
Fribidi fribidi >=1.0.0，<=1.0.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-18397"
    }
  },
  "description": "fribidi\u662f\u4e00\u6b3eUnicode\u53cc\u5411\u7b97\u6cd5\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nfribidi 1.0.0\u7248\u672c\u81f31.0.7\u7248\u672c\u4e2d\u7684lib/fribidi-bidi.c\u6587\u4ef6\u7684\u2018fribidi_get_par_embedding_levels_ex()\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://fribidi.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-41502",
  "openTime": "2019-11-20",
  "patchDescription": "fribidi\u662f\u4e00\u6b3eUnicode\u53cc\u5411\u7b97\u6cd5\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\r\n\r\nfribidi 1.0.0\u7248\u672c\u81f31.0.7\u7248\u672c\u4e2d\u7684lib/fribidi-bidi.c\u6587\u4ef6\u7684\u2018fribidi_get_par_embedding_levels_ex()\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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": "fribidi\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Fribidi fribidi \u003e=1.0.0\uff0c\u003c=1.0.7"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2019.4215/\r\nhttps://usn.ubuntu.com/4179-1/",
  "serverity": "\u4e2d",
  "submitTime": "2019-11-08",
  "title": "fribidi\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-18397 (GCVE-0-2019-18397)

Vulnerability from cvelistv5 – Published: 2019-11-13 13:55 – Updated: 2024-08-05 01:54

Summary

A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi.c of GNU FriBidi through 1.0.7 allows an attacker to cause a denial of service or possibly execute arbitrary code by delivering crafted text content to a user, when this content is then rendered by an application that uses FriBidi for text layout calculations. Examples include any GNOME or GTK+ based application that uses Pango for text layout, as this internally uses FriBidi for bidirectional text layout. For example, the attacker can construct a crafted text file to be opened in GEdit, or a crafted IRC message to be viewed in HexChat.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

10 references

URL	Tags
https://github.com/fribidi/fribidi/commit/034c6e9…	x_refsource_MISC
https://marc.info/?l=oss-security&m=157322128105807&w=2	x_refsource_MISC
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug…	x_refsource_CONFIRM
https://security-tracker.debian.org/tracker/CVE-2…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2019:4326	vendor-advisoryx_refsource_REDHAT
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2019:4361	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0291	vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/202003-41	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T01:54:14.298Z",
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          },
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          },
          {
            "name": "RHSA-2019:4326",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2019:4326"
          },
          {
            "name": "FEDORA-2019-533a72fec5",
            "tags": [
              "vendor-advisory",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFS3N6KKXPI6ATDNEUFRSLX7R6BOBNIP/"
          },
          {
            "name": "RHSA-2019:4361",
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              "vendor-advisory",
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            "url": "https://access.redhat.com/errata/RHSA-2019:4361"
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          },
          {
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        ],
        "title": "CVE Program Container"
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        },
        {
          "name": "RHSA-2019:4326",
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          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:4326"
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFS3N6KKXPI6ATDNEUFRSLX7R6BOBNIP/"
        },
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          "tags": [
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          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:4361"
        },
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          "tags": [
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          "name": "GLSA-202003-41",
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    "datePublished": "2019-11-13T13:55:35.000Z",
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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.

Action not permitted

CNVD-2019-41502

CVE-2019-18397 (GCVE-0-2019-18397)

Tags

Sightings

Nomenclature

Related by attack behaviour