Bug 1944640 (CVE-2021-3480)
| Summary: | CVE-2021-3480 slapi-nis: NULL dereference (DoS) with specially crafted Binding DN | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Cedric Buissart <cbuissar> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | abokovoy, jshortt, mkosek, nalin, pmatouse, security-response-team, twoerner |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | slapi-nis 0.56.7 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in slapi-nis. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash the 389-ds-base directory server. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 20:38:40 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1942937, 1944713, 1947349, 1947350, 1947351, 1949955, 1961157 | ||
| Bug Blocks: | 1944164, 1944845 | ||
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Description
Cedric Buissart
2021-03-30 11:49:19 UTC
Statement: This vulnerability affects Directory Server with the Schema Compatibility plugin "slapi-nis". To verify if an instance is configured with Schema Compatibility: $ ldapsearch -b 'cn=Schema Compatibility,cn=plugins,cn=config' -s base Red Hat Identity Management is affected by this flaw. Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Created slapi-nis tracking bugs for this issue: Affects: fedora-all [bug 1961157] This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:1983 https://access.redhat.com/errata/RHSA-2021:1983 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-3480 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2021:2027 https://access.redhat.com/errata/RHSA-2021:2027 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Extended Update Support Via RHSA-2021:2026 https://access.redhat.com/errata/RHSA-2021:2026 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2021:2032 https://access.redhat.com/errata/RHSA-2021:2032 |