Vulnerability in Openldap
CVE-2011-4079
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.
EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.
Affected products
- Openldap — versions 1.0, 1.0.1, 1.0.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (Patch, x_refsource_MISC)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (vdb-entry, x_refsource_XF)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2011-4079?
- CVE-2011-4079 is a vulnerability in Openldap, classified under CWE-189. Published 2011-10-27.
- Is CVE-2011-4079 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.