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Category:   Application (Generic)  >   curl Vendors:   curl.haxx.se
(Ubuntu Issues Fix) curl Buffer Overflow in Curl_auth_create_plain_message Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1042015
SecurityTracker URL:  http://securitytracker.com/id/1042015
CVE Reference:   CVE-2018-16839   (Links to External Site)
Date:  Nov 1 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in curl. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted SASL password data to trigger a buffer overflow in processing the Curl_auth_create_plain_message name and password and potentially execute arbitrary code on the target system.

The affected function can can be invoked using POP3(S), IMAP(S), or SMTP(S).

The issue is only present on 32-bit systems.

Harry Sintonen reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3805-1

Vendor URL:  usn.ubuntu.com/usn/usn-3805-1 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 18.04 LTS, 18.10

Message History:   This archive entry is a follow-up to the message listed below.
Nov 1 2018 curl Buffer Overflow in Curl_auth_create_plain_message Lets Remote Users Execute Arbitrary Code



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