Red Hat update for apache xml-rpc

1) Deserialization of untrusted data

EUVDB-ID: #VU13176

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-5003

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to improper deserialization of untrusted Java objects. A remote attacker can send a request that submits a malicious serialized Java object in an <ex:serializable> element and execute arbitrary code with elevated privileges.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server: 7 - 7.5

Red Hat Enterprise Linux for IBM z Systems: 7 - 7.5

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux EUS Compute Node: 7.5

Red Hat Enterprise Linux for ARM: 6.4

Red Hat Enterprise Linux for Power: 7 - 9

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

External links

http://access.redhat.com/errata/RHSA-2018:1780

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. However, proof of concept for this vulnerability is available.