CVE-2018-20096
Published: 12 December 2018
There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
Notes
Author | Note |
---|---|
mdeslaur | 0.25 is not affected, code introduced later |
Priority
Status
Package | Release | Status |
---|---|---|
exiv2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
cosmic |
Not vulnerable
(code not present)
|
|
trusty |
Does not exist
(trusty was not-affected [code not present])
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: https://github.com/Exiv2/exiv2/commit/4f9c912c2267f1bc33d9c28f1b063d571770af75 upstream: https://github.com/Exiv2/exiv2/commit/902dad0a6eae98b0057cae1b13e78f476f053fae |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |