CVE-2018-20481
Public on 2018-12-26
Modified on 2019-10-23
Description
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.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | poppler | 2019-08-23 | ALAS-2019-1271 | Fixed |
| Amazon Linux 2 - Core | poppler | 2019-10-21 | ALAS2-2019-1332 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD | CVSSv3 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |