|
OpenLDAP ASN.1 BER Decoding Denial of Service
|
|
Secunia Advisory:
|
SA30853
|
|
|
Release Date:
|
2008-07-01
|
|
Last Update:
|
2008-08-15
|
|
Popularity:
|
3,103 views
|
|
|
Critical:
|
Less critical
|
|
Impact:
|
DoS
|
|
Where:
|
From local network
|
|
Solution Status:
|
Vendor Patch
|
|
| Software: | OpenLDAP 2.3.x
|
|
|
Binary Analysis:
|
BA508 :: Available for 1 Credit 
|
|
|
Subscribe:
|
Instant alerts on relevant vulnerabilities
|
|
| CVE reference: | CVE-2008-2952
|
|
Description:
A vulnerability has been reported in OpenLDAP, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the "ber_get_next()" function in libraries/liblber/io.c. This can be exploited to trigger an "assert()" and terminate the "slapd" process via a specially crafted ASN.1 BER encoded packet.
The vulnerability is reported in version 2.3.41. Other versions may also be affected.
Solution:
Update to version 2.3.43.
Provided and/or discovered by:
Oscar Mira-Sanchez, reported via ZDI
Changelog:
2008-07-03: Added CVE reference.
2008-07-17: Updated "Solution" section.
2008-08-15: Updated credits and the "Original Advisory" section.
Original Advisory:
OpenLDAP:
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=5580
ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-08-052/
|
|
|
Track this Secunia Advisory
|
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.
Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.
|
|
|
About this Secunia Advisory
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
