openldap: DoS when submitting special MODRDN request
Published Mar 20, 2011
5.0
MEDIUMCVSS 2.0
EPSS 14.47%
Description
modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.
Affected products
No data.
- 2.4.6
- 2.4.7
- 2.4.8
- 2.4.9
- 2.4.10
- 2.4.11
- 2.4.12
- 2.4.13
- 2.4.14
- 2.4.15
- 2.4.16
- 2.4.17
- 2.4.18
- 2.4.19
- 2.4.20
- 2.4.21
- 2.4.22
- 2.4.23
No data.
Red Hat Enterprise Linux 6
openldap-0:2.4.19-15.el6_0.2
Fixed · RHSA-2011:0347
Red Hat Enterprise Linux 4
openldap
Not affected
Red Hat Enterprise Linux 5
openldap
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openldap-0:2.4.19-15.el6_0.2 | Fixed | RHSA-2011:0347 |
| Red Hat Enterprise Linux 4 | openldap | Not affected | n/a |
| Red Hat Enterprise Linux 5 | openldap | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.47% (0.14474) | 96.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.52% (0.13518) | 95.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.61% (0.03613) | 87.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.03% (0.06032) | 93.77th | v3 (v2023.03.01) |
| Jul 3, 2024 | 6.03% (0.06032) | 93.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.80% (0.04803) | 91.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
References (23)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2011/02/28/1 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2011/02/28/2 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2011/03/01/11 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2011/03/01/15 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/43331 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43718 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201406-36.xml vendor-advisoryx_refsource_GENTOO
- http://securitytracker.com/id?1025191 vdb-entryx_refsource_SECTRACK
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:055 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:056 vendor-advisoryx_refsource_MANDRIVA
- http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9 x_refsource_CONFIRMPatch
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768 x_refsource_CONFIRM
- http://www.openldap.org/lists/openldap-announce/201102/msg00000.html mailing-listx_refsource_MLISTPatch
- http://www.redhat.com/support/errata/RHSA-2011-0347.html vendor-advisoryx_refsource_REDHAT
- http://www.ubuntu.com/usn/USN-1100-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2011/0665 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-1081 Vendor Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=674985 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=680975 x_refsource_CONFIRMExploitPatchIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66239 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-1081
- https://www.cve.org/CVERecord?id=CVE-2011-1081
Change history (0)
No recorded changes yet.