Oracle MySQL Workbench up to 6.3.8 OpenSSL out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.7 | $5k-$25k | 0.00 |
A vulnerability was found in Oracle MySQL Workbench up to 6.3.8 (Database Software). It has been declared as very critical. Affected by this vulnerability is an unknown code of the component OpenSSL. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.
The bug was discovered 09/16/2016. The weakness was published 04/19/2017 by Shi Lei as Oracle Critical Patch Update Advisory - April 2017 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2016-6303 since 07/26/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/01/2022).
We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 95255 (AIX OpenSSL Advisory : openssl_advisory21.asc (SWEET32)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316384 (Cisco Unity Express OpenSSL Multiple Vulnerabilities (cisco-sa-20160927-openssl)).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (95255). Similar entries are available at 87879, 88080, 90396 and 90937.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.7
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Oracle): 9.8
Vendor Vector (Oracle): 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 95255
Nessus Name: AIX OpenSSL Advisory : openssl_advisory21.asc (SWEET32)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703673
OpenVAS Name: Debian Security Advisory DSA 3673-1 (openssl - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: 55d83bf7c10c7b205fffa23fa7c3977491e56c07
Timeline
07/26/2016 🔍08/20/2016 🔍
09/16/2016 🔍
09/16/2016 🔍
11/22/2016 🔍
04/19/2017 🔍
04/19/2017 🔍
04/19/2017 🔍
12/01/2022 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - April 2017
Researcher: Shi Lei
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-6303 (🔍)
OVAL: 🔍
SecurityTracker: 1036885
SecurityFocus: 92984 - OpenSSL CVE-2016-6303 Integer Overflow Vulnerability
OSVDB: - CVE-2016-6303 - OpenSSL - Integer Overflow Issue
See also: 🔍
Entry
Created: 04/19/2017 19:11Updated: 12/01/2022 11:21
Changes: 04/19/2017 19:11 (86), 09/15/2020 10:00 (7), 12/20/2020 15:09 (3), 12/01/2022 11:21 (4)
Complete: 🔍
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