Vulnerability-Lookup

CERTA-2011-AVI-599

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité dans OpenLDAP permet de réaliser un déni de service à distance.

Description

Une vulnérabilité a été découverte dans OpenLDAP. Un utilisateur authentifié peut, en mettant une chaîne vide à un attribut particulier, provoquer un déni de service à distance.

Solution

Un correctif a été publié dans le git d'OpenLDAP.

OpenLDAP versions 2.4.26 et antérieures.

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2011-4079 (GCVE-0-2011-4079)

Vulnerability from cvelistv5 – Published: 2011-10-27 20:00 – Updated: 2024-08-06 23:53

Summary

Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

10 references

URL	Tags
http://security.gentoo.org/glsa/glsa-201406-36.xml	vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2011/10/26/5	mailing-listx_refsource_MLIST
http://www.openldap.org/its/index.cgi/Software%20…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=749324	x_refsource_MISC
http://www.ubuntu.com/usn/USN-1266-1	vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/46599	third-party-advisoryx_refsource_SECUNIA
http://www.openldap.org/devel/gitweb.cgi?p=openld…	x_refsource_MISC
http://www.securityfocus.com/bid/50384	vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
http://www.openwall.com/lists/oss-security/2011/10/26/9	mailing-listx_refsource_MLIST

Date Public

2011-10-26 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.

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.

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