SB2018043002 - Debian update for gunicorn
Published: April 30, 2018
Security Bulletin ID
SB2018043002
CSH Severity
Low
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 vulnerability.
1) HTTP response splitting (CVE-ID: CVE-2018-1000164)
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:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to write arbitrary files on the target system.
The weakness exists in "process_headers" function in "gunicorn/http/wsgi.py" due to improper neutralization of CRLF Sequences in HTTP headers. A remote attacker can cause the server to return arbitrary HTTP headers and write arbitrary files on the target system.
Remediation
Install update from vendor's website.