Detections
Analytics

SUSE SLES11 Security Update : openssl (SUSE-SU-2019:14092-1)

medium Nessus Plugin ID 150666

Language:

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES11 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2019:14092-1 advisory.

 - If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable non-stitched ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Also the application must call SSL_shutdown() twice even if a protocol error has occurred (applications should not do this but some do anyway). Fixed in OpenSSL 1.0.2r (Affected 1.0.2-1.0.2q). (CVE-2019-1559)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1117951

https://bugzilla.suse.com/1127080

https://bugzilla.suse.com/1131291

http://www.nessus.org/u?5456159b

https://www.suse.com/security/cve/CVE-2019-1559

Plugin Details

Severity: Medium

ID: 150666

File Name: suse_SU-2019-14092-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/10/2021

Updated: 12/5/2022

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: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2019-1559

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:H/I:N/A:N

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:openssl, p-cpe:/a:novell:suse_linux:libopenssl0_9_8-hmac, p-cpe:/a:novell:suse_linux:libopenssl0_9_8-32bit, cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:libopenssl0_9_8-hmac-32bit, p-cpe:/a:novell:suse_linux:libopenssl0_9_8, p-cpe:/a:novell:suse_linux:openssl-doc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/11/2019

Vulnerability Publication Date: 2/26/2019

Reference Information

CVE: CVE-2019-1559

IAVA: 2019-A-0064-S, 2019-A-0251

SuSE: SUSE-SU-2019:14092-1