CVE-2018-18557
Published: 22 October 2018
LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.
Priority
Status
Package | Release | Status |
---|---|---|
tiff Launchpad, Ubuntu, Debian |
bionic |
Released
(4.0.9-5ubuntu0.1)
|
cosmic |
Released
(4.0.9-6ubuntu0.1)
|
|
trusty |
Released
(4.0.3-7ubuntu0.10)
|
|
upstream |
Released
(4.0.9+git181026-1)
|
|
xenial |
Released
(4.0.6-1ubuntu0.5)
|
|
Patches: upstream: https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a66 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |