Fedora 34 update for mingw-openjpeg2, openjpeg2

Published: 2021-05-27

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-29338 CVE-2021-3575
CWE-ID	CWE-190 CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system openjpeg2 Operating systems & Components / Operating system package or component mingw-openjpeg2 Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU63449

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-2021-29338

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to integer overflow when using the command line option "-ImgDir" on a directory that contains 1048576 files. A remote attacker can pass specially crafted data to the application, trigger integer overflow and perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

openjpeg2: before 2.4.0-3.fc34

mingw-openjpeg2: before 2.4.0-3.fc34

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2021-c1ac2ee5ee

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.

2) Heap-based buffer overflow

EUVDB-ID: #VU79881

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3575

CWE-ID: CWE-122 - Heap-based Buffer Overflow