FreeBSD : perl -- multiple vulnerabilities (41c96ffd-29a6-4dcc-9a88-65f5038fa6eb)

critical Nessus Plugin ID 109051

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

perldelta :

CVE-2018-6797: heap-buffer-overflow (WRITE of size 1) in S_regatom (regcomp.c)

A crafted regular expression could cause a heap buffer write overflow, with control over the bytes written. [perl #132227]

CVE-2018-6798: Heap-buffer-overflow in Perl__byte_dump_string (utf8.c)

Matching a crafted locale dependent regular expression could cause a heap buffer read overflow and potentially information disclosure.
[perl #132063]

CVE-2018-6913: heap-buffer-overflow in S_pack_rec

pack() could cause a heap buffer write overflow with a large item count. [perl #131844]

Solution

Update the affected packages.

See Also

https://metacpan.org/changes/release/SHAY/perl-5.26.2

https://metacpan.org/changes/release/SHAY/perl-5.24.4

http://www.nessus.org/u?e29a05b7

Plugin Details

Severity: Critical

ID: 109051

File Name: freebsd_pkg_41c96ffd29a64dcc9a8865f5038fa6eb.nasl

Version: 1.4

Type: local

Published: 4/16/2018

Updated: 11/10/2018

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*, p-cpe:2.3:a:freebsd:freebsd:perl5:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 4/15/2018

Vulnerability Publication Date: 4/14/2018

Reference Information

CVE: CVE-2018-6797, CVE-2018-6913, CVE-2018-6798