SB2015092108 - Inconsistent interpretation of HTTP requests in go (Alpine package)



SB2015092108 - Inconsistent interpretation of HTTP requests in go (Alpine package)

Published: September 21, 2015

Security Bulletin ID SB2015092108
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2015-5739)

The vulnerability allows a remote attacker to conduct an HTTP request smuggling attack on the target system.

The vulnerability exists due to the "net/http" library in "net/textproto/reader.go" does not properly parse HTTP header keys. A remote attacker can send a specially crafted HTTP request and conduct HTTP request smuggling attacks via a space instead of a hyphen, as demonstrated by "Content Length" instead of "Content-Length."



Remediation

Install update from vendor's website.