Ubuntu Security Notice USN-551-1
3rd December, 2007
openldap vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Software description
- openldap2.2
- openldap2.3
Details
Thomas Sesselmann discovered that the OpenLDAP slapd server
did not properly handle certain modify requests. A remote
attacker could send malicious modify requests to the server
and cause a denial of service. (CVE-2007-5707)
Toby Blake discovered that slapd did not properly terminate
an array while running as a proxy-caching server. A remote
attacker may be able to send crafted search requests to the
server and cause a denial of service. This issue only affects
Ubuntu 7.04 and 7.10. (CVE-2007-5708)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- slapd 2.3.35-1ubuntu0.1
- Ubuntu 7.04:
- slapd 2.3.30-2ubuntu0.1
- Ubuntu 6.10:
- slapd 2.2.26-5ubuntu3.2
- Ubuntu 6.06 LTS:
- slapd 2.2.26-5ubuntu2.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.