Scientific Linux Security Update : openssl on SL6.x i386/x86_64

Medium Nessus Plugin ID 87402


The remote Scientific Linux host is missing one or more security updates.


A NULL pointer derefernce flaw was found in the way OpenSSL verified signatures using the RSA PSS algorithm. A remote attacked could possibly use this flaw to crash a TLS/SSL client using OpenSSL, or a TLS/SSL server using OpenSSL if it enabled client authentication.

A memory leak vulnerability was found in the way OpenSSL parsed PKCS#7 and CMS data. A remote attacker could use this flaw to cause an application that parses PKCS#7 or CMS data from untrusted sources to use an excessive amount of memory and possibly crash. (CVE-2015-3195)

A race condition flaw, leading to a double free, was found in the way OpenSSL handled pre-shared key (PSK) identify hints. A remote attacker could use this flaw to crash a multi-threaded SSL/TLS client using OpenSSL. (CVE-2015-3196)

For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 87402

File Name: sl_20151214_openssl_on_SL6_x.nasl

Version: $Revision: 2.9 $

Type: local

Agent: unix

Published: 2015/12/16

Modified: 2016/10/19

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

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


Base Score: 7.5

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

Vulnerability Information

CPE: x-cpe:/o:fermilab:scientific_linux

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

Patch Publication Date: 2015/12/14

Reference Information

CVE: CVE-2015-3194, CVE-2015-3195, CVE-2015-3196