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RHEL 5 / 6 : gnutls (RHSA-2013:0588)

medium Nessus Plugin ID 65005

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated gnutls packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The GnuTLS library provides support for cryptographic algorithms and for protocols such as Transport Layer Security (TLS).

It was discovered that GnuTLS leaked timing information when decrypting TLS/SSL protocol encrypted records when CBC-mode cipher suites were used. A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL server as a padding oracle. (CVE-2013-1619)

Users of GnuTLS are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. For the update to take effect, all applications linked to the GnuTLS library must be restarted, or the system rebooted.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2013:0588

https://access.redhat.com/security/cve/cve-2013-1619

Plugin Details

Severity: Medium

ID: 65005

File Name: redhat-RHSA-2013-0588.nasl

Version: 1.19

Type: local

Agent: unix

Published: 3/5/2013

Updated: 1/14/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:gnutls-debuginfo, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:redhat:enterprise_linux:gnutls, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:5.9, p-cpe:/a:redhat:enterprise_linux:gnutls-guile, p-cpe:/a:redhat:enterprise_linux:gnutls-utils, p-cpe:/a:redhat:enterprise_linux:gnutls-devel, cpe:/o:redhat:enterprise_linux:6.4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/4/2013

Vulnerability Publication Date: 2/8/2013

Reference Information

CVE: CVE-2013-1619

BID: 57778

RHSA: 2013:0588