CVE-2018-7409

unixODBC: Buffer overflow in unicode_to_ansi_copy() can lead to crash or other unspecified impact

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c.

En unixODBC, en versiones anteriores a la 2.3.5, hay un desbordamiento de búfer en la función unicode_to_ansi_copy() en DriverManager/__info.c.

A buffer overflow flaw was found in the unicode_to_ansi_copy() function of unixODBC. This overflow is not directly controllable by an attacker making the maximum potential impact a crash or denial of service.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-02-22 CVE Reserved
2018-02-22 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (5)

URL	Tag	Source
http://www.unixodbc.org/unixODBC-2.3.5.tar.gz	Product
https://sourceforge.net/projects/unixodbc/files/unixODBC/2.3.5/ChangeLog/download	Release Notes

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:2336	2019-08-06
https://access.redhat.com/security/cve/CVE-2018-7409	2020-11-10
https://bugzilla.redhat.com/show_bug.cgi?id=1548305	2020-11-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Unixodbc Search vendor "Unixodbc"		Unixodbc Search vendor "Unixodbc" for product "Unixodbc"				< 2.3.5 Search vendor "Unixodbc" for product "Unixodbc" and version " < 2.3.5"		-		Affected