Debian DSA-3873-1 : perl - security update

medium Nessus Plugin ID 100625

Synopsis

The remote Debian host is missing a security-related update.

Description

The cPanel Security Team reported a time of check to time of use (TOCTTOU) race condition flaw in File::Path, a core module from Perl to create or remove directory trees. An attacker can take advantage of this flaw to set the mode on an attacker-chosen file to a attacker-chosen value.

Solution

Upgrade the perl packages.

For the stable distribution (jessie), this problem has been fixed in version 5.20.2-3+deb8u7.

For the upcoming stable distribution (stretch), this problem has been fixed in version 5.24.1-3.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863870

https://packages.debian.org/source/jessie/perl

https://www.debian.org/security/2017/dsa-3873

Plugin Details

Severity: Medium

ID: 100625

File Name: debian_DSA-3873.nasl

Version: 3.9

Type: local

Agent: unix

Published: 6/6/2017

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:perl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/5/2017

Reference Information

CVE: CVE-2017-6512

DSA: 3873