CVE-2020-18831
Published: 22 August 2023
Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
exiv2 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Not vulnerable
(0.27.2-8ubuntu2.7)
|
|
| jammy |
Not vulnerable
|
|
| lunar |
Not vulnerable
|
|
| mantic |
Not vulnerable
|
|
| noble |
Not vulnerable
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(0.27.2-6)
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://github.com/Exiv2/exiv2/commit/6068df4c01ce915befb763bd0fd718d16a5df130 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |