Red Hat Enterprise Linux 7 update for qt and qt5-qtbase

1) Out-of-bounds read

EUVDB-ID: #VU46199

Risk: Medium

CVSSv3.1: 4.6 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-17507

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to buffer over-read. A remote attacker can perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

qt5-qtbase (Red Hat package): 5.9.7-2.el7 - 5.9.7-4.el7

Red Hat Enterprise Linux for Power, little endian: 7

Red Hat Enterprise Linux for Power, big endian: 7

Red Hat Enterprise Linux for IBM z Systems: 7

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

Red Hat Enterprise Linux Server: 7

qt (Red Hat package): before 4.8.7-9.el7_9

External links

http://access.redhat.com/errata/RHSA-2020:5021

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.