ldbm_back_exop_passwd in the back-ldbm backend in passwd.c for OpenLDAP 2.1.12 and earlier, when the slap_passwd_parse function does not return LDAP_SUCCESS, attempts to free an uninitialized pointer, which allows remote attackers to cause a denial of service (segmentation fault).

References

• https://nvd.nist.gov/vuln/detail/CVE-2003-1201
• https://exchange.xforce.ibmcloud.com/vulnerabilities/12520
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000685
• http://secunia.com/advisories/11261
• http://secunia.com/advisories/9203
• http://security.gentoo.org/glsa/glsa-200403-12.xml
• http://www.openldap.org/its/index.cgi?findid=2390
• http://www.osvdb.org/17000
• http://www.securityfocus.com/bid/7656