Out-of-bounds read in Oracle Access Manager

1) Out-of-bounds read

EUVDB-ID: #VU21465

Risk: Medium

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

CVE-ID: CVE-2018-11058

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing ASN.1 data. A remote attacker can use a specially constructed ASN.1 data, trigger out-of-bounds read error and read contents of memory on the system.

This vulnerability affects the following versions of RSA BSAFE Crypto-C Micro Edition:

• version prior to 4.0.5.3 (in 4.0.x)
  

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Access Manager: 11.1.2.3.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3242

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.