Input validation error in OpenLDAP - CVE-2015-3276

 

Input validation error in OpenLDAP - CVE-2015-3276

Published: October 15, 2024


Vulnerability identifier: #VU98559
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-3276
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input within the nss_parse_ciphers() function in libraries/libldap/tls_m.c when parsing OpenSSL-style multi-keyword mode cipher strings. A remote attacker can pass force the application to use a weaker than intended cipher.


Affected software

OpenLDAP
Splunk Enterprise
Fedora
openldap

How to mitigate CVE-2015-3276

Install updates from vendor's website.

OpenLDAP - update to 2.5.4
Splunk Enterprise - addressed in versions 9.1.6, 9.2.3, 9.3.1
openldap - update to 2.4.44-7.fc25

External References

Related Security Bulletins