PT-2020-17318 · Xpdf+1 · Xpdf+1

Blbi · Published 2020-12-26 · Updated 2021-03-04 · CVE-2020-35376

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Xpdf version 4.02

Description The issue is related to an incorrect subroutine reference in a Type 1C font charstring. This is connected to the FoFiType1C::getOp() function, which can lead to stack consumption.

Recommendations For Xpdf version 4.02, consider restricting the use of Type 1C font charstrings until a patch is available. As a temporary workaround, consider disabling the FoFiType1C::getOp() function to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2021-1186

ALT-PU-2021-1195

CVE-2020-35376

MGASA-2021-0112

Affected Products

Alt Linux

Xpdf

References · 13

• 🔥 https://forum.xpdfreader.com/viewtopic.php?f=3&t=42066 · Exploit
• https://ubuntu.com/security/CVE-2020-35376 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0112.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-35376 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ZUU5QG6SSVRTKZTR3A72LDRVZETEI63 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0112 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLOYVJSM54IL6I5RY4QTJGRS7PIEG44X · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-35376 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-35376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-35376 · Security Note
• https://t.me/cibsecurity/21318 · Telegram Post
• https://bugs.mageia.org/show_bug.cgi?id=28474 · Note