This security advisory describes one high risk vulnerability.

1) Use-after-free

Severity: High

CVSSv3:
8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-8945

CWE-ID:
CWE-416 – Use After Free

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error, as demonstrated by use for container image pulls by Docker or CRI-O. A remote attacker can crash the target system, or cause potential code execution for Go applications that use this
library under certain conditions during GPG signature verification.

Mitigation

Install updates from vendor’s website.

Vulnerable software versions

Sun Java Studio Enterprise:
8

CPE
External links

https://access.redhat.com/errata/RHSA-2020:0689

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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