PT-2021-4978 · Adobe · Character Animator

Published 2021-10-26 · Updated 2022-03-22 · CVE-2021-40767

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 Adobe Character Animator versions 4.4 and earlier

Description The issue is related to a buffer overflow in memory when parsing a specially crafted file, which can lead to an application denial-of-service. An unauthenticated attacker could exploit this to cause a denial-of-service in the context of the current user. Exploitation requires user interaction, where a victim must open a malicious file.

Recommendations For Adobe Character Animator versions 4.4 and earlier, update to a version that fixes the buffer overflow issue to prevent potential denial-of-service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Access of Memory Location After End of Buffer

Weakness Enumeration

CWE-788

Related Identifiers

BDU:2021-05737

CVE-2021-40767

Affected Products

Character Animator

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-40767 · Security Note
• https://bdu.fstec.ru/vul/2021-05737 · Security Note
• https://helpx.adobe.com/security/products/character_animator/apsb21-95.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40767 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021110105 · Note
• https://t.me/cibsecurity/39030 · Telegram Post
• https://securitylab.ru/vulnerability/526133.php · Note