Vulnerability-Lookup

CNVD-2021-07317

Vulnerability from cnvd - Published: 2021-01-29

Title

OpenLDAP无效指针释放漏洞

Description

OpenLDAP是轻型目录访问协议(LDAP)的一个免费、开源实现。 OpenLDAP 2.4.57之前版本存在无效指针释放漏洞。攻击者可利用该漏洞导致saslAuthzTo处理发生slapd崩溃。

Severity

中

Patch Name

OpenLDAP无效指针释放漏洞的补丁

Patch Description

OpenLDAP是轻型目录访问协议(LDAP)的一个免费、开源实现。 OpenLDAP 2.4.57之前版本存在无效指针释放漏洞。攻击者可利用该漏洞导致saslAuthzTo处理发生slapd崩溃。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://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36224

Impacted products

Name
OpenLDAP OpenLDAP <2.4.57

Show details on source website

JSON

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      "cveNumber": "CVE-2020-36224",
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  "number": "CNVD-2021-07317",
  "openTime": "2021-01-29",
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  "serverity": "\u4e2d",
  "submitTime": "2021-01-26",
  "title": "OpenLDAP\u65e0\u6548\u6307\u9488\u91ca\u653e\u6f0f\u6d1e"
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CVE-2020-36224 (GCVE-0-2020-36224)

Vulnerability from cvelistv5 – Published: 2021-01-25 09:44 – Updated: 2024-08-04 17:23

Summary

A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

17 references

URL	Tags
https://git.openldap.org/openldap/openldap/-/tags…	x_refsource_MISC
https://bugs.openldap.org/show_bug.cgi?id=9409	x_refsource_MISC
https://git.openldap.org/openldap/openldap/-/comm…	x_refsource_MISC
https://git.openldap.org/openldap/openldap/-/comm…	x_refsource_MISC
https://git.openldap.org/openldap/openldap/-/comm…	x_refsource_MISC
https://git.openldap.org/openldap/openldap/-/comm…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2021/dsa-4845	vendor-advisoryx_refsource_DEBIAN
https://security.netapp.com/advisory/ntap-2021022…	x_refsource_CONFIRM
https://support.apple.com/kb/HT212529	x_refsource_CONFIRM
https://support.apple.com/kb/HT212531	x_refsource_CONFIRM
https://support.apple.com/kb/HT212530	x_refsource_CONFIRM
http://seclists.org/fulldisclosure/2021/May/70	mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/May/64	mailing-listx_refsource_FULLDISC
http://seclists.org/fulldisclosure/2021/May/65	mailing-listx_refsource_FULLDISC
https://lists.apache.org/thread.html/rf4c02775860…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r58af02e294b…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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-2021-07317

CVE-2020-36224 (GCVE-0-2020-36224)

Tags

Sightings

Nomenclature

Related by attack behaviour