PT-2021-5430 · Hewlett Packard · Hp Laserjet Enterprise+3

Published 2021-11-01 · Updated 2021-12-01 · CVE-2021-39238

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions HP Enterprise LaserJet, HP LaserJet Managed, HP Enterprise PageWide, HP PageWide Managed versions (affected versions not specified)

Description The issue is related to a buffer overflow in the memory of HP printers, which can be exploited by a remote attacker to execute arbitrary code. This can be achieved by sending a specially crafted PDF document to the printer, causing a buffer overflow in the font handler and allowing the execution of code at the firmware level. The problem has been present since 2013 and was fixed in firmware updates published on November 1.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2021-06273

CVE-2021-39238

Affected Products

Hp Laserjet Enterprise

Hp Pagewide Enterprise

Hp Laserjet Managed

Hp Pagewide Managed

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2021-39238 · Security Note
• https://support.hp.com/us-en/document/ish_5000383-5000409-16 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06273 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39238 · Vendor Advisory
• https://xakep.ru/2021/12/01/hp-wormable-flaw · Note
• https://t.me/pentestingnews/14933 · Telegram Post
• https://t.me/opennews/9414 · Telegram Post
• https://t.me/thehackernews/1693 · Telegram Post
• https://t.me/true_secator/2393 · Telegram Post
• https://t.me/pentestingnews/14969 · Telegram Post
• https://t.me/cybersecuritytechnologies/4874 · Telegram Post
• https://t.me/tmfeed/127652 · Telegram Post