CVE-2021-3480
published 2021-05-20CVE-2021-3480: A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated…
PriorityP343high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.70%
74.9th percentile
A flaw was found in slapi-nis in versions before 0.56.7. 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.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | slapi-nis | < slapi-nis 0.56.5-2 (bookworm) | slapi-nis 0.56.5-2 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| slapi-nis_project | slapi-nis | < 0.56.7 | 0.56.7 |
| slapi-nis_project | slapi-nis | — | — |
| slapi-nis_project | slapi-nis | >= 0 < 0.56.5-2 | 0.56.5-2 |
| slapi-nis_project | slapi-nis | >= 0 < 0.56.5-2 | 0.56.5-2 |
| slapi-nis_project | slapi-nis | >= 0 < 0.56.5-2 | 0.56.5-2 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-7c98-4wpw-92jq: A flaw was found in slapi-nis in versions before 0
ghsa_unreviewed·2022-05-24
CVE-2021-3480 [HIGH] CWE-476 GHSA-7c98-4wpw-92jq: A flaw was found in slapi-nis in versions before 0
A flaw was found in slapi-nis in versions before 0.56.7. 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.
OSV
CVE-2021-3480: A flaw was found in slapi-nis in versions before 0
osv·2021-05-20·CVSS 7.5
CVE-2021-3480 [HIGH] CVE-2021-3480: A flaw was found in slapi-nis in versions before 0
A flaw was found in slapi-nis in versions before 0.56.7. 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.
Red Hat
slapi-nis: NULL dereference (DoS) with specially crafted Binding DN
vendor_redhat·2021-05-17·CVSS 7.5
CVE-2021-3480 [HIGH] CWE-476 slapi-nis: NULL dereference (DoS) with specially crafted Binding DN
slapi-nis: NULL dereference (DoS) with specially crafted Binding DN
A flaw was found in slapi-nis in versions before 0.56.7. 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.
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.
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 Compatibi
Debian
CVE-2021-3480: slapi-nis - A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer derefere...
vendor_debian·2021·CVSS 7.5
CVE-2021-3480 [HIGH] CVE-2021-3480: slapi-nis - A flaw was found in slapi-nis in versions before 0.56.7. A NULL pointer derefere...
A flaw was found in slapi-nis in versions before 0.56.7. 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.
Scope: local
bookworm: resolved (fixed in 0.56.5-2)
bullseye: resolved (fixed in 0.56.5-2)
sid: resolved (fixed in 0.56.5-2)
trixie: resolved (fixed in 0.56.5-2)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.redhat.com/show_bug.cgi?id=1944640https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVQCDRQRFHXVR3Z3FQYM3UMC7QZUDDRJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXMOMPTZTGOVFOZUUNXHOVCAYIPST74W/https://bugzilla.redhat.com/show_bug.cgi?id=1944640https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVQCDRQRFHXVR3Z3FQYM3UMC7QZUDDRJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXMOMPTZTGOVFOZUUNXHOVCAYIPST74W/
2021-05-20
Published