nginx 8.3 Filename Alias Request Access Rules / Authentication Bypass

Medium Nessus Network Monitor Plugin ID 5562

Synopsis

The remote host is vulnerable to a flaw which allows attackers to retrieve sensitive files or data

Description

Versions of nginx earlier than 0.7.65 are potentially affected by a security bypass vulnerability. By appending %20 to a requested file, an attacker can view the source code of potentially sensitive scripts.

Solution

Upgrade to nginx 0.7.65 or later.

See Also

http://www.coresecurity.com/content/filename-pseudonyms-vulnerabilities

http://archives.neohapsis.com/archives/bugtraq/2010-06/0028.html

http://nginx.org/en/security_advisories.html

http://nginx-maillist.blogspot.com/2010/02/nginx-0833.html

Plugin Details

Severity: Medium

ID: 5562

File Name: 5562.prm

Family: Web Servers

Published: 2010/06/03

Modified: 2016/01/21

Dependencies: 1442

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSSv3

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS3#E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:igor_sysoev:nginx

Patch Publication Date: 2010/02/01

Vulnerability Publication Date: 2010/05/02

Reference Information

BID: 40434

OSVDB: 63136