Oracle MySQL Server up to 5.6.22 Encryption s23_srvr.c ssl23_get_client_hello null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Server up to 5.6.22. It has been classified as very critical. This issue affects the function ssl23_get_client_hello of the file s23_srvr.c of the component Encryption. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2014-3569. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Oracle MySQL Server up to 5.6.22 (Database Software) and classified as very critical. Affected by this vulnerability is the function ssl23_get_client_hello of the file s23_srvr.c of the component Encryption. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/14/2015 by Frank Schmirler as Oracle Critical Patch Update Advisory - April 2015 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2014-3569 since 05/14/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/07/2022).

We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 83526 (Apache Tomcat 7.0.x < 7.0.60 Multiple Vulnerabilities (FREAK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185099 (HP-UX Running OpenSSL Multiple Vulnerabilities (HPSBUX03244)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19498.

The vulnerability is also documented in the databases at Tenable (83526), SecurityFocus (BID 71934†) and Vulnerability Center (SBV-56862†). Additional details are provided at krebsonsecurity.com. The entries VDB-68514, VDB-68516, VDB-68517 and VDB-68518 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83526
Nessus Name: Apache Tomcat 7.0.x < 7.0.60 Multiple Vulnerabilities (FREAK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-469
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: 392fa7a952e97d82eac6958c81ed1e256e6b8ca5
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

05/14/2014 🔍
10/17/2014 +155 days 🔍
12/24/2014 +68 days 🔍
04/14/2015 +111 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
05/19/2015 +33 days 🔍
07/20/2015 +62 days 🔍
03/01/2016 +226 days 🔍
05/07/2022 +2257 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2015
Researcher: Frank Schmirler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3569 (🔍)
GCVE (CVE): GCVE-0-2014-3569
GCVE (VulDB): GCVE-100-74947

OVAL: 🔍

SecurityFocus: 71934 - OpenSSL 'ssl23_get_client_hello()' Function NULL Pointer Dereference Denial of Service Vulnerability
SecurityTracker: 1033378
Vulnerability Center: 56862 - [cisco-sa-20150310-ssl] OpenSSL 0.9.8 through 0.9.8zc, 1.0.0 through 1.0.0o and 1.0.1 through 1.0.1j Remote DoS via an Unexpected Handshake, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/15/2015 14:26
Updated: 05/07/2022 00:10
Changes: 04/15/2015 14:26 (67), 08/24/2018 09:23 (19), 05/07/2022 00:10 (5)
Complete: 🔍
Cache ID: 216:11B:103

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