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CVE-2018-18456

Published: 18 October 2018

The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.

Notes

AuthorNote
jdstrand
xpdf in koffice is 2.0
mdeslaur
no indication this affects poppler

Priority

Negligible

Cvss 3 Severity Score

5.5

Score breakdown

Status

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

mantic Not vulnerable
(does not use xpdf anymore)
ipe
Launchpad, Ubuntu, Debian
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needs triage

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

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

jammy Needs triage

impish Ignored
(end of life)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
poppler
Launchpad, Ubuntu, Debian
groovy Not vulnerable

hirsute Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

impish Not vulnerable

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

xenial Not vulnerable

mantic Not vulnerable

xpdf
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needed)
xenial Needed

jammy Needed

impish Ignored
(end of life)
bionic Needed

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

trusty Does not exist
(trusty was needs-triage)
upstream Deferred
(no security impact, crash in CLI tool)
mantic Needed

lunar Ignored
(end of life, was needed)

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