PT-2018-14470 · Foolabs+2 · Xpdf+2

Fish · Published 2018-10-18 · Updated 2023-11-03 · CVE-2018-18456

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Xpdf version 4.00

Description The issue allows remote attackers to cause a denial of service via a crafted pdf file. This is due to a stack-based buffer over-read in the function Object::isName() in Object.h, which is called from Gfx::opSetFillColorN. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For Xpdf version 4.00, consider disabling the Object::isName() function as a temporary workaround until a patch is available.

Exploit

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2018-18456

OPENSUSE-SU-2023_4187-1

SUSE-SU-2023:4187-1

SUSE-SU-2023:4362-1

Affected Products

Debian

Suse

Xpdf

References · 31

• 🔥 https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm · Exploit
• https://security-tracker.debian.org/tracker/CVE-2018-18456 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4187-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-18456 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4362-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-18456 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-18456 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-18456 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18456 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18456 · Vendor Advisory
• https://bugzilla.suse.com/1214256 · Note
• https://suse.com/security/cve/CVE-2022-37052 · Note
• https://suse.com/security/cve/CVE-2020-36023 · Note
• https://suse.com/security/cve/CVE-2019-9545 · Note
• https://bugzilla.suse.com/1140745 · Note