CVE-2018-7409
Publication date 22 February 2018
Last updated 25 August 2025
Ubuntu priority
Description
In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c.
Read the notes from the security team
Why is this CVE low priority?
One-byte buffer overflow that isn't attacker controlled, DoS only
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| unixodbc | ||
| 22.04 LTS jammy |
Fixed 2.3.4-1.1ubuntu3
|
|
| 20.04 LTS focal |
Fixed 2.3.4-1.1ubuntu3
|
|
| 18.04 LTS bionic |
Fixed 2.3.4-1.1ubuntu3
|
|
| 16.04 LTS xenial |
Fixed 2.3.1-4.1ubuntu0.1~esm1
|
|
| 14.04 LTS trusty |
Fixed 2.2.14p2-5ubuntu5+esm1
|
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mdeslaur
One-byte buffer overflow that isn't attacker controlled, DoS only The commit listed below is for the whole new version, this CVE is only the two string terminator changes to __info.c in the unicode_to_ansi_copy() function.
Patch details
| Package | Patch details |
|---|---|
| unixodbc |
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-6276-1
- unixODBC vulnerability
- 7 August 2023