SB2018022707 - Denial of service in Apache Traffic Server
Published: February 27, 2018
Security Bulletin ID
SB2018022707
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) HTTP response splitting (CVE-ID: CVE-2017-5660)
CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to perform HTTP response splitting attack.
The weakness exists due to improper handling of line-folded HTTP headers and host headers. A remote attacker can send a specially crafted request, trigger a different upstream proxy server to be used and cause the service to crash.
Remediation
Install update from vendor's website.