CentOS 7 update for openldap



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-25709
CVE-2020-25710
CWE-ID CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CentOS
Operating systems & Components / Operating system

Vendor CentOS Project

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Reachable Assertion

EUVDB-ID: #VU48516

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-25709

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion in certificateListValidate() function in schema_init.c. A remote attacker can send specially crafted packet to the slapd daemon, trigger an assertion failure and crash the service.

Mitigation

Update the affected packages.

Vulnerable software versions

CentOS: 7

CPE2.3 External links

https://lists.centos.org/pipermail/centos-announce/2022-February/073566.html


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.

2) Reachable Assertion

EUVDB-ID: #VU48515

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-25710

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when processing LDAP requests in slapd within the csnNormalize23() function in schema_init.c. A remote attacker can send a specially crafted packet to the server, trigger an assertion failure and crash the daemon.

Mitigation

Update the affected packages.

Vulnerable software versions

CentOS: 7

CPE2.3 External links

https://lists.centos.org/pipermail/centos-announce/2022-February/073566.html


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.



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