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Debian DLA-68-1 : fex security update

medium Nessus Plugin ID 82213

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Synopsis

The remote Debian host is missing a security update.

Description

[CVE-2014-3875]

When inserting encoded newline characters into a request to rup, additional HTTP headers can be injected into the reply, as well as new HTML code on the top of the website.

[CVE-2014-3876] The parameter akey is reflected unfiltered as part of the HTML page. Some characters are forbidden in the GET parameter due to filtering of the URL, but this can be circumvented by using a POST parameter. Nevertheless, this issue is exploitable via the GET parameter alone, with some user interaction.

[CVE-2014-3877] The parameter addto is reflected only slightly filtered back to the user as part of the HTML page. Some characters are forbidden in the GET parameter due to filtering of the URL, but this can be circumvented by using a POST parameter. Nevertheless, this issue is exploitable via the GET parameter alone, with some user interaction.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected fex, and fex-utils packages.

See Also

https://lists.debian.org/debian-lts-announce/2014/09/msg00025.html

https://packages.debian.org/source/squeeze-lts/fex

Plugin Details

Severity: Medium

ID: 82213

File Name: debian_DLA-68.nasl

Version: 1.7

Type: local

Agent: unix

Published: 3/26/2015

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:fex, p-cpe:/a:debian:debian_linux:fex-utils

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2014

Vulnerability Publication Date: 6/18/2014

Reference Information

CVE: CVE-2014-3875, CVE-2014-3876, CVE-2014-3877

BID: 67783, 67785, 67788