CVE-2017-18185
Published: 13 February 2018
An issue was discovered in QPDF before 7.0.0. There is a large heap-based out-of-bounds read in the Pl_Buffer::write function in Pl_Buffer.cc. It is caused by an integer overflow in the PNG filter.
Notes
| Author | Note |
|---|---|
| seth-arnold | The commit ec7d74a is strictly tests |
| mdeslaur | this patch breaks ABI |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qpdf Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(7.0.0-1)
|
| bionic |
Not vulnerable
|
|
| trusty |
Released
(8.0.2-3~14.04.1)
|
|
| upstream |
Released
(7.0.0-1)
|
|
| xenial |
Released
(8.0.2-3~16.04.1)
|
|
|
Patches: upstream: https://github.com/qpdf/qpdf/commit/ec7d74a386c0b2f38990079c3b0d2a2b30be0e71 upstream: https://github.com/qpdf/qpdf/commit/6d46346eb93d5032c08cf1e39023b5d57260a766 upstream: https://github.com/qpdf/qpdf/commit/1868a10f8b06631362618bfc85ca8646da4b4b71 |
||
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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |