CVE-2021-27212 - Reachable Assertion

Severity

75%

Complexity

39%

Confidentiality

60%

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.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Demo Examples

Reachable Assertion

CWE-617

In the excerpt below, an AssertionError (an unchecked exception) is thrown if the user hasn't entered an email address in an HTML form.


               
assert email != null;

Overview

First reported 4 years ago

2021-02-14 03:15:00

Last updated 3 years ago

2021-09-13 19:46:00

Affected Software

OpenLDAP OpenLDAP

Debian Linux 9.0

9.0

References

https://bugs.openldap.org/show_bug.cgi?id=9454

https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0

https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30

[debian-lts-announce] 20210220 [SECURITY] [DLA 2574-1] openldap security update

https://bugs.openldap.org/show_bug.cgi?id=9454

Exploit, Vendor Advisory

https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0

Patch, Vendor Advisory

https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30

Patch, Vendor Advisory

[debian-lts-announce] 20210220 [SECURITY] [DLA 2574-1] openldap security update

Mailing List, Third Party Advisory

DSA-4860

Third Party Advisory

https://security.netapp.com/advisory/ntap-20210319-0005/

https://bugs.openldap.org/show_bug.cgi?id=9454

Exploit, Issue Tracking, Vendor Advisory

https://security.netapp.com/advisory/ntap-20210319-0005/

Third Party Advisory

[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8

[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8

[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8

Mailing List, Third Party Advisory

[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8

Mailing List, Third Party Advisory

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