CVE-2018-20481
Published: 25 December 2018
XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc.
Priority
Status
Package | Release | Status |
---|---|---|
poppler Launchpad, Ubuntu, Debian |
bionic |
Released
(0.62.0-2ubuntu2.6)
|
cosmic |
Released
(0.68.0-0ubuntu1.4)
|
|
trusty |
Released
(0.24.5-2ubuntu4.15)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(0.41.0-0ubuntu1.11)
|
|
Patches: upstream: https://gitlab.freedesktop.org/poppler/poppler/commit/39a251b1b3a3343400a08e2f03c5518a26624626 |
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 |