libdbd-mysql-perl 4.028 Error Message memory corruption

EntryHistoryDiffjsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

A vulnerability was found in libdbd-mysql-perl 4.028 (Database Software). It has been classified as critical. Affected is an unknown code of the component Error Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability.

The weakness was disclosed 10/03/2016 by Paul Rohar as DSA-3684-1 as confirmed mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2016-1246 since 12/27/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

Paul Rohar discovered that libdbd-mysql-perl, the Perl DBI database driver for MySQL and MariaDB, constructed an error message in a fixed-length buffer, leading to a crash (_FORTIFY_SOURCE failure) and, potentially, to denial of service.

The vulnerability scanner Nessus provides a plugin with the ID 94027 (Fedora 24 : perl-DBD-MySQL (2016-870236238e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196601 (Ubuntu Security Notification for Libdbd-mysql-perl Vulnerabilities (USN-3103-1)).

Upgrading to version 4.028-2+deb8u2 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (94027). The entry 90876 is pretty similar.

Affected

Debian GNU/Linux

Productinfo

Type

Database Software

Name

libdbd-mysql-perl

License

open-source

CPE 2.3info

🔍

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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
Today	unlock	unlock	unlock	unlock

Nessus ID: 94027
Nessus Name: Fedora 24 : perl-DBD-MySQL (2016-870236238e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64279
OpenVAS Name: Fedora Update for perl-DBD-MySQL FEDORA-2016-c0f589bd32
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: libdbd-mysql-perl 4.028-2+deb8u2
Patch: github.com

Timelineinfo

12/27/2015 🔍
10/03/2016 +281 days 🔍
10/03/2016 +0 days 🔍
10/04/2016 +1 days 🔍
10/05/2016 +1 days 🔍
10/12/2016 +7 days 🔍
10/13/2016 +1 days 🔍
09/21/2022 +2169 days 🔍

Sourcesinfo

Advisory: DSA-3684-1
Researcher: Paul Rohar
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1246 (🔍)
OVAL: 🔍

SecurityFocus: 93337 - perl-DBD-MySQL CVE-2016-1246 Remote Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 10/04/2016 10:08 AM
Updated: 09/21/2022 04:05 PM
Changes: 10/04/2016 10:08 AM (73), 04/30/2019 11:44 AM (13), 09/21/2022 04:05 PM (4)
Complete: 🔍