PT-2022-9838 · Xpdf+1 · Xpdf+1

Taolaw · Published 2022-05-15 · Updated 2022-08-17 · CVE-2021-27548

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 4.03

Description The issue is related to a Null Pointer Dereference in the XFAScanner::scanNode() function, located in XFAScanner.cc. This problem can lead to potential crashes or other unintended behavior when the function is called with a null pointer.

Recommendations For xpdf version 4.03, consider disabling the XFAScanner::scanNode() function until a patch is available to prevent potential exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2022-1867

ALT-PU-2022-2449

CVE-2021-27548

Affected Products

Alt Linux

Xpdf

References · 9

• 🔥 https://forum.xpdfreader.com/viewtopic.php?f=3&t=42115 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-27548 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-27548 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27548 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-27548 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-27548 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-27548 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-27548 · Vendor Advisory
• https://t.me/cibsecurity/42920 · Telegram Post