Fedora 32 update for mupdf, python-PyMuPDF, zathura-pdf-mupdf



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3407
CWE-ID CWE-415
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

zathura-pdf-mupdf
Operating systems & Components / Operating system package or component

python-PyMuPDF
Operating systems & Components / Operating system package or component

mupdf
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Double Free

EUVDB-ID: #VU53600

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3407

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 32

zathura-pdf-mupdf: before 0.3.6-6.fc32

python-PyMuPDF: before 1.18.8-2.fc32

mupdf: before 1.18.0-5.fc32

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2021-d8e6f014e5


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.



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