PT-2019-19730 · Foolabs · Xpdf

Loginsoft · Published 2019-03-06 · Updated 2019-03-06 · CVE-2019-9589

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xpdf version 4.01

Description The issue is related to a NULL pointer dereference vulnerability in the setupResources() function located in PSOutputDev.cc. This can be triggered by sending a crafted pdf file to the pdftops binary, for example. The impact includes causing a Denial of Service (Segmentation fault) or possibly having unspecified other effects.

Recommendations For Xpdf version 4.01, consider avoiding the use of the pdftops binary with untrusted pdf files until a fix is available. As a temporary workaround, restrict access to the PSOutputDev::setupResources() function to minimize the risk of exploitation.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2019-9589

Affected Products

Xpdf

References · 7

• 🔥 https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-function-psoutputdevsetupresources-xpdf-4-01 · Exploit
• 🔥 https://forum.xpdfreader.com/viewtopic.php?f=3&t=41262 · Exploit
• https://ubuntu.com/security/CVE-2019-9589 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9589 · Security Note
• https://osv.dev/vulnerability/CVE-2019-9589 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-9589 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-9589 · Vendor Advisory