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CVE-2018-18459

Published: 18 October 2018

The function DCTStream::getBlock in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.

Notes

AuthorNote
jdstrand
xpdf in koffice is 2.0
mdeslaur
no indication this affects poppler
ebarretto
no security impact, crash in CLI tool

Priority

Negligible

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
ipe
Launchpad, Ubuntu, Debian
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

jammy Needs triage

impish Ignored
(end of life)
bionic Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
libextractor
Launchpad, Ubuntu, Debian
trusty Not vulnerable
(does not use xpdf anymore)
xenial Not vulnerable
(does not use xpdf anymore)
impish Ignored
(end of life)
lunar Not vulnerable
(does not use xpdf anymore)
bionic Not vulnerable
(does not use xpdf anymore)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(does not use xpdf anymore)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Not vulnerable
(does not use xpdf anymore)
kinetic Not vulnerable
(does not use xpdf anymore)
upstream Needs triage

mantic Not vulnerable
(does not use xpdf anymore)
xpdf
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needed)
xenial Needs triage

jammy Needed

impish Ignored
(end of life)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Does not exist

groovy Does not exist

hirsute Ignored
(end of life)
trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

mantic Needed

lunar Ignored
(end of life, was needed)
poppler
Launchpad, Ubuntu, Debian
jammy Not vulnerable

lunar Not vulnerable

bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

kinetic Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Needs triage

xenial Not vulnerable

mantic Not vulnerable

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