CVE-2020-18768
Published: 22 August 2023
There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tiff Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.0.9-5ubuntu0.10+esm3)
|
| focal |
Not vulnerable
(4.1.0+git191117-2ubuntu0.20.04.10)
|
|
| jammy |
Not vulnerable
(4.3.0-6ubuntu0.6)
|
|
| lunar |
Not vulnerable
(4.5.0-5ubuntu1.2)
|
|
| mantic |
Not vulnerable
(4.5.1+git230720-1ubuntu1)
|
|
| trusty |
Not vulnerable
(4.0.3-7ubuntu0.11+esm9)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(4.0.6-1ubuntu0.8+esm13)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |