Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-12243 |
CWE-ID | CWE-399 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
openldap (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU27445
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-12243
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error when performing searches with nested boolean expressions in filter.c within the slapd daemon in OpenLDAP. A remote attacker can send a specially crafted LDAP request to the affected server and crash the LDAP service.
Update openldap package to one of the following versions: 2.4.44+dfsg-5+deb9u4, 2.4.47+dfsg-3+deb10u2.
Vulnerable software versionsopenldap (Debian package): 2.4.44+dfsg-5+deb9u1 - 2.4.47+dfsg-3+deb10u1~bpo9+1
External linkshttp://www.debian.org/security/2020/dsa-4666
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.