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CVE-2018-18650

Published: 25 October 2018

An issue was discovered in Xpdf 4.00. XRef::readXRefStream in XRef.cc allows attackers to launch a denial of service (Integer Overflow) via a crafted /Size value in a pdf file, as demonstrated by pdftohtml. This is mainly caused by the program attempting a malloc operation for a large amount of memory.

Notes

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

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
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

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

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

xenial Needs triage

libextractor
Launchpad, Ubuntu, Debian
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)
impish Ignored
(end of life)
jammy Not vulnerable
(does not use xpdf anymore)
kinetic Not vulnerable
(does not use xpdf anymore)
lunar Not vulnerable
(does not use xpdf anymore)
mantic Not vulnerable
(does not use xpdf anymore)
noble Not vulnerable
(does not use xpdf anymore)
trusty Not vulnerable
(does not use xpdf anymore)
upstream Needs triage

xenial Not vulnerable
(does not use xpdf anymore)
poppler
Launchpad, Ubuntu, Debian
bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

noble Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

xenial Not vulnerable

xpdf
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(3.04-4)
cosmic Ignored
(end of life)
disco Not vulnerable
(3.04-13)
eoan Not vulnerable
(3.04-13)
focal Does not exist

groovy Does not exist

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

noble Not vulnerable

trusty Does not exist
(trusty was needs-triage)
upstream Not vulnerable
(debian: xpdf in Debian uses poppler, which is not affected or fixed)
xenial Not vulnerable
(3.03-17)

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