Vulnerability-Lookup

CNVD-2020-14321

Vulnerability from cnvd - Published: 2020-02-28

Title

libarchive RAR5文件解压缩漏洞

Description

Libarchive是一款开源、BSD许可下的C语言编程库，实现了对各种不同归档格式的流式访问。 libarchive 3.4.2之前版本存在RAR5文件解压缩漏洞。该漏洞源于libarchive会尝试解压缩具有无效或损坏的标头的RAR5文件。攻击者可利用该漏洞导致SIGSEGV或可能造成其他影响。

Severity

高

Patch Name

libarchive RAR5文件解压缩漏洞的补丁

Patch Description

Libarchive是一款开源、BSD许可下的C语言编程库，实现了对各种不同归档格式的流式访问。 libarchive 3.4.2之前版本存在RAR5文件解压缩漏洞。该漏洞源于libarchive会尝试解压缩具有无效或损坏的标头的RAR5文件。攻击者可利用该漏洞导致SIGSEGV或可能造成其他影响。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/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-9308

Impacted products

Name
libarchive libarchive <3.4.2

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-9308",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-9308"
    }
  },
  "description": "Libarchive\u662f\u4e00\u6b3e\u5f00\u6e90\u3001BSD\u8bb8\u53ef\u4e0b\u7684C\u8bed\u8a00\u7f16\u7a0b\u5e93\uff0c\u5b9e\u73b0\u4e86\u5bf9\u5404\u79cd\u4e0d\u540c\u5f52\u6863\u683c\u5f0f\u7684\u6d41\u5f0f\u8bbf\u95ee\u3002\n\nlibarchive 3.4.2\u4e4b\u524d\u7248\u672c\u5b58\u5728RAR5\u6587\u4ef6\u89e3\u538b\u7f29\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8elibarchive\u4f1a\u5c1d\u8bd5\u89e3\u538b\u7f29\u5177\u6709\u65e0\u6548\u6216\u635f\u574f\u7684\u6807\u5934\u7684RAR5\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4SIGSEGV\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\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://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-14321",
  "openTime": "2020-02-28",
  "patchDescription": "Libarchive\u662f\u4e00\u6b3e\u5f00\u6e90\u3001BSD\u8bb8\u53ef\u4e0b\u7684C\u8bed\u8a00\u7f16\u7a0b\u5e93\uff0c\u5b9e\u73b0\u4e86\u5bf9\u5404\u79cd\u4e0d\u540c\u5f52\u6863\u683c\u5f0f\u7684\u6d41\u5f0f\u8bbf\u95ee\u3002\r\n\r\nlibarchive 3.4.2\u4e4b\u524d\u7248\u672c\u5b58\u5728RAR5\u6587\u4ef6\u89e3\u538b\u7f29\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8elibarchive\u4f1a\u5c1d\u8bd5\u89e3\u538b\u7f29\u5177\u6709\u65e0\u6548\u6216\u635f\u574f\u7684\u6807\u5934\u7684RAR5\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4SIGSEGV\u6216\u53ef\u80fd\u9020\u6210\u5176\u4ed6\u5f71\u54cd\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": "libarchive RAR5\u6587\u4ef6\u89e3\u538b\u7f29\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libarchive libarchive \u003c3.4.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-9308",
  "serverity": "\u9ad8",
  "submitTime": "2020-02-21",
  "title": "libarchive RAR5\u6587\u4ef6\u89e3\u538b\u7f29\u6f0f\u6d1e"
}

CVE-2020-9308 (GCVE-0-2020-9308)

Vulnerability from cvelistv5 – Published: 2020-02-20 06:07 – Updated: 2024-08-04 10:26

Summary

archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://github.com/libarchive/libarchive/pull/1326	x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detai…	x_refsource_MISC
https://github.com/libarchive/libarchive/pull/132…	x_refsource_MISC
https://security.gentoo.org/glsa/202003-28	vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4293-1/	vendor-advisoryx_refsource_UBUNTU
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

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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.

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.

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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.

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CNVD-2020-14321

CVE-2020-9308 (GCVE-0-2020-9308)

Tags

Sightings

Nomenclature

Related by attack behaviour