CVE-2021-27212CWE-617

CVE-2021-27212

High · published February 14, 2021

Patch now

High probability of exploitation

CVSS calls it high at 7.5. It sits in the 99.3th percentile for exploit probability.

CVSS v3.1
7.5
EPSS
66%
Percentile
99.3
In the wild
Unconfirmed
What it is

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.66114 · 99.3th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2021-02-14T08:15Z
Affected products (5)
ProductVersionsFixed in
openldap/openldap≤ 2.4.57—
openldap/openldapall versions—
openldap/openldapall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (17)
https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 · af854a3a-2127-422b-91ae-364da2661108https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 · af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E · af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210319-0005/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4860 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://bugs.openldap.org/show_bug.cgi?id=9454 · [email protected]https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 · [email protected]https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 · [email protected]https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E · [email protected]https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E · [email protected]https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html · [email protected]https://security.netapp.com/advisory/ntap-20210319-0005/ · [email protected]https://www.debian.org/security/2021/dsa-4860 · [email protected]https://bugs.openldap.org/show_bug.cgi?id=9454 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 14 FEB 02:53Z
    In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet…
    cvelistv5