Red Hat Enterprise Linux 8 update for freetype



Published: 2020-11-09 | Updated: 2021-07-01
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15999
CWE-ID CWE-122
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Red Hat Enterprise Linux Server - TUS
Operating systems & Components / Operating system

freetype (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU47741

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-15999

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

Exploit availability: Yes

Description

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

The vulnerability exists due to a boundary error in freetype library when processing TTF files. A remote attacker can pass specially crafted TTF file with PNG sbit glyphs to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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

Note, this vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - TUS: 8.2

freetype (Red Hat package): before 2.9.1-4.el8_2.1

External links

http://access.redhat.com/errata/RHSA-2020:4951


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?

Yes. This vulnerability is being exploited in the wild.



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