#VU96991 Out-of-bounds read in libpng - CVE-2004-0421

Vulnerability identifier: #VU96991

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2004-0421

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libpng
Universal components / Libraries / Libraries used by multiple products

Vendor: libpng

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted PNG file, trick the victim into opening it, trigger an out-of-bounds read error and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libpng: before 1.0.16, 1.0.16

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External links
https://marc.info/?l=bugtraq&m=108334922320309&w=2
https://marc.info/?l=bugtraq&m=108335030208523&w=2
https://marc.info/?l=fedora-announce-list&m=108451350029261&w=2
https://marc.info/?l=fedora-announce-list&m=108451353608968&w=2
https://exchange.xforce.ibmcloud.com/vulnerabilities/16022
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A971
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11710

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.