Detections
Analytics

Apache Server ETag Header Information Disclosure

medium Nessus Plugin ID 88098

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Synopsis

The remote web server is affected by an information disclosure vulnerability.

Description

The remote web server is affected by an information disclosure vulnerability due to the ETag header providing sensitive information that could aid an attacker, such as the inode number of requested files.

Solution

Modify the HTTP ETag header of the web server to not include file inodes in the ETag header calculation. Refer to the linked Apache documentation for more information.

See Also

http://httpd.apache.org/docs/2.2/mod/core.html#FileETag

Plugin Details

Severity: Medium

ID: 88098

File Name: apache_etag_info_disclosure.nasl

Version: 1.11

Type: remote

Family: Web Servers

Published: 1/22/2016

Updated: 4/27/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2003-1418

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:apache:http_server

Required KB Items: installed_sw/Apache

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/25/2003

Reference Information

CVE: CVE-2003-1418

BID: 6939

CWE: 200