Vulnerability-Lookup

CNVD-2019-40949

Vulnerability from cnvd - Published: 2019-11-15

Title

Libsolv非法地址访问漏洞

Description

Libsolv是一个免费的包管理库。 libsolv 0.7.2及更早版本中的libsolv.a中的src/pool.h中的pool_whatprovides函数存在非法地址访问漏洞。攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Libsolv非法地址访问漏洞的补丁

Patch Description

Libsolv是一个免费的包管理库。 libsolv 0.7.2及更早版本中的libsolv.a中的src/pool.h中的pool_whatprovides函数存在非法地址访问漏洞。攻击者可利用该漏洞导致拒绝服务。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

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/openSUSE/libsolv/pull/291

Reference

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20534

Impacted products

Name
openSUSE Libsolv <=0.7.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20534"
    }
  },
  "description": "Libsolv\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5305\u7ba1\u7406\u5e93\u3002\n\nlibsolv 0.7.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libsolv.a\u4e2d\u7684src/pool.h\u4e2d\u7684pool_whatprovides\u51fd\u6570\u5b58\u5728\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/openSUSE/libsolv/pull/291",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-40949",
  "openTime": "2019-11-15",
  "patchDescription": "Libsolv\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u5305\u7ba1\u7406\u5e93\u3002\r\n\r\nlibsolv 0.7.2\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684libsolv.a\u4e2d\u7684src/pool.h\u4e2d\u7684pool_whatprovides\u51fd\u6570\u5b58\u5728\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Libsolv\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "openSUSE Libsolv \u003c=0.7.2"
  },
  "referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20534",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-28",
  "title": "Libsolv\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e"
}

CVE-2018-20534 (GCVE-0-2018-20534)

Vulnerability from cvelistv5 – Published: 2018-12-28 03:00 – Updated: 2024-08-05 12:05 Disputed

Summary

There is an illegal address access at ext/testcase.c in libsolv.a in libsolv through 0.7.2 that will cause a denial of service. NOTE: third parties dispute this issue stating that the issue affects the test suite and not the underlying library. It cannot be exploited in any real-world application

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1652604	x_refsource_MISC
https://github.com/openSUSE/libsolv/pull/291	x_refsource_MISC
https://usn.ubuntu.com/3916-1/	vendor-advisoryx_refsource_UBUNTU
https://bugzilla.suse.com/show_bug.cgi?id=1120631	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:2290	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2019:3583	vendor-advisoryx_refsource_REDHAT

Date Public

2018-12-27 00:00

Show details on NVD website

JSON

To clipboard

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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.