Detections
Analytics

RHEL 6 : libksba (Unpatched Vulnerability)

high Nessus Plugin ID 198826

Synopsis

The remote Red Hat 6 host is affected by multiple vulnerabilities that will not be patched.

Description

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

 - libksba: integer underflow flaw leading to a heap-based buffer overflow in ksba_oid_to_str() (CVE-2014-9087)

 - libksba: Out-of-bounds read in _ksba_ber_parse_tl (CVE-2016-4579)

 - ber-decoder.c in Libksba before 1.3.3 does not properly handle decoder stack overflows, which allows remote attackers to cause a denial of service (abort) via crafted BER data. (CVE-2016-4353)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

Solution

The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation guidance.

Plugin Details

Severity: High

ID: 198826

File Name: redhat_unpatched_libksba-rhel6.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/3/2024

Updated: 6/3/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2014-9087

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2016-4579

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libksba, cpe:/o:redhat:enterprise_linux:6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/25/2014

Reference Information

CVE: CVE-2014-9087, CVE-2016-4353, CVE-2016-4354, CVE-2016-4355, CVE-2016-4356, CVE-2016-4574, CVE-2016-4579