PT-2022-6893 · Libpng+1 · Libpng+1

5Hadowblad3 · Published 2022-08-24 · Updated 2022-11-08 · CVE-2021-4214

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 libpng (affected versions not specified)

Description The issue is caused by a heap overflow flaw in the pngimage.c component of the libpng library. This flaw can be exploited by an attacker with local network access, allowing them to pass a specially crafted PNG file to the pngimage utility. As a result, the application may crash, leading to a denial of service. The attacker can use this flaw to cause the application to crash by passing a specially crafted PNG file.

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

Exploit

DoS

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-120

Related Identifiers

BDU:2023-05417

CVE-2021-4214

ECHO-98CD-F196-FFAF

Affected Products

Debian

Libpng

References · 10

• 🔥 https://github.com/glennrp/libpng/issues/302 · Exploit
• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=2043393 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-4214 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-4214 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-05417 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-4214 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4214 · Vendor Advisory
• https://t.me/cvenotify/35452 · Telegram Post
• https://security.netapp.com/advisory/ntap-20221020-0001 · Note
• https://access.redhat.com/security/cve/CVE-2021-4214 · Note