PT-2018-14471 · Xpdf+1 · Xpdf+1

Fish · Published 2018-10-18 · Updated 2018-11-30 · CVE-2018-18457

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, specifically a NULL pointer dereference, via a crafted pdf file. This is demonstrated by the use of pdftoppm, which interacts with the vulnerable function.

Recommendations For Xpdf version 4.00, consider disabling the DCTStream::readScan function in Stream.cc as a temporary workaround until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-18457

Affected Products

Debian

Xpdf

References · 9

• 🔥 https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppm · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-18457 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18457 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18457 · Security Note
• https://cve.org/CVERecord?id=CVE-2018-18457 · Security Note
• https://osv.dev/vulnerability/CVE-2018-18457 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18457 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-18457 · Vendor Advisory
• https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217 · Note