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
- 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.