SB2019030508 - Heap out-of-bounds read in curl (Alpine package) 

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Main Vulnerability Database SB2019030508

SB2019030508 - Heap out-of-bounds read in curl (Alpine package)

Published: March 5, 2019

Security Bulletin ID SB2019030508
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap out-of-bounds read (CVE-ID: CVE-2018-16890)

The vulnerability allows a remote attacker to gain access to potentially sensitive information or cause the service to crash.

The vulnerability exists due to a integer overflow in the function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly. A remote attacker on malicious or broken NTLM server can trick the victim into accepting a bad length + offset combination, trigger heap out-of-bounds read error and read contents of memory on the system or cause the service to crash..


Remediation

Install update from vendor's website.

References