Red Hat Enterprise Linux 9 update for jackson

1) Out-of-bounds write

EUVDB-ID: #VU61799

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-36518

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trigger out-of-bounds write and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 9

Red Hat Enterprise Linux for Power, little endian: 9

Red Hat Enterprise Linux for IBM z Systems: 9

Red Hat Enterprise Linux for x86_64: 9

jackson-modules-base (Red Hat package): before 2.14.1-2.el9

jackson-jaxrs-providers (Red Hat package): before 2.14.1-2.el9

jackson-databind (Red Hat package): before 2.14.1-2.el9

jackson-core (Red Hat package): before 2.14.1-2.el9

jackson-annotations (Red Hat package): before 2.14.1-1.el9

External links

http://access.redhat.com/errata/RHSA-2023:2312

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.