SB2015091111 - Fedora 22 update for golang
Published: September 11, 2015 Updated: April 24, 2025
Security Bulletin ID
SB2015091111
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
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."
2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2015-5740)
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/http/transfer.go" does not properly parse HTTP headers. A remote attacker can send a specially crafted HTTP request and conduct HTTP request smuggling attacks via a request with two Content-length headers.
3) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2015-5741)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The net/http library in net/http/transfer.go in Go before 1.4.3 does not properly parse HTTP headers, which allows remote attackers to conduct HTTP request smuggling attacks via a request that contains Content-Length and Transfer-Encoding header fields.
Remediation
Install update from vendor's website.