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Category:   Application (Generic)  >   curl Vendors:   curl.haxx.se
curl Null Pointer Dereference in LDAP URL Processing Lets Remote Users Cause the Target Application to Crash
SecurityTracker Alert ID:  1040529
SecurityTracker URL:  http://securitytracker.com/id/1040529
CVE Reference:   CVE-2018-1000121   (Links to External Site)
Date:  Mar 14 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.21.0 - 7.58.0
Description:   A vulnerability was reported in curl. A remote user can cause the target application to crash.

A remote server can return a specially crafted redirect to an LDAP URL to trigger a null pointer dereference in ldap_get_attribute_ber() can cause the target application to crash.

Applications that allow LDAP URLs are also affected.

curl versions built to use OpenLDAP are affected.

The vendor was notified on March 6, 2018.

Dario Weisser reported this vulnerability.

Impact:   A remote server can cause the target application to crash.
Solution:   The vendor has issued a fix (7.59.0).

The vendor advisory is available at:

https://curl.haxx.se/docs/adv_2018-97a2.html

Vendor URL:  curl.haxx.se/docs/adv_2018-97a2.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 25 2018 (Ubuntu Issues Fix) curl Null Pointer Dereference in LDAP URL Processing Lets Remote Users Cause the Target Application to Crash
Ubuntu has issued a fix for Ubuntu Linux 12.04 ESM.



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