PT-2019-19911 · Foolabs+1 · Xpdf+1

Loginsoft-Research · Published 2019-03-19 · Updated 2021-07-21 · CVE-2019-9878

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 4.0.0 pdfalto version 0.2

Description The issue is related to an invalid memory access in the GfxIndexedColorSpace::mapColorToBase() function, located in GfxState.cc. This can be triggered by sending a crafted pdf file to the pdftops binary, potentially allowing an attacker to cause a Denial of Service (Segmentation fault) or have other unspecified impacts.

Recommendations For Xpdf version 4.0.0, consider restricting access to the pdftops binary until a fix is available. For pdfalto version 0.2, avoid using the pdftops binary with untrusted pdf files until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-9878

Affected Products

Xpdf

Pdfalto

References · 7

• 🔥 https://research.loginsoft.com/bugs/invalid-memory-access-in-gfxindexedcolorspacemapcolortobase-pdfalto-0-2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-9878 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-9878 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-9878 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-9878 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-9878 · Security Note
• https://github.com/kermitt2/pdfalto/issues/46 · Note