Pierluigi Paganini May 20, 2023

US CISA added the vulnerability CVE-2023-21492 flaw affecting Samsung devices to its Known Exploited Vulnerabilities Catalog.

US CISA added the vulnerability CVE-2023-21492 vulnerability (CVSS score: 4.4) affecting Samsung devices to its Known Exploited Vulnerabilities Catalog.

The issue affects Samsung mobile devices running Android 11, 12, and 13, it is described as an insertion of sensitive information into log file vulnerability that allows a privileged, local attacker to conduct an address space layout randomization (ASLR) bypass.

The issue was reported on January 17, 2023, the company addressed the issue by removing kernel pointers in log file.

“Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.” reads the advisory published by Samsung. “Samsung was notified that an exploit for this issue had existed in the wild”

The company did not provide details about the attacks exploiting the flaw, but likely the issue was chained with other vulnerabilities to compromise vulnerable Samsung devices.

CISA also addressed the following issue in the latest turn:

• CVE-2004-1464 – Cisco IOS Denial-of-Service Vulnerability. Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.
• CVE-2016-6415 – Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability. Cisco IOS, IOS XR, and IOS XE contain insufficient condition checks in the part of the code that handles Internet Key Exchange version 1 (IKEv1) security negotiation requests. contains an information disclosure vulnerability in the Internet Key Exchange version 1 (IKEv1) that could allow an attacker to retrieve memory contents. Successful exploitation could allow the attacker to retrieve memory contents, which can lead to information disclosure.

According to Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities, FCEB agencies have to address the identified vulnerabilities by the due date to protect their networks against attacks exploiting the flaws in the catalog.

Experts recommend also private organizations review the Catalog and address the vulnerabilities in their infrastructure.

CISA orders federal agencies to fix this flaw by June 9, 2023.

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Pierluigi Paganini

(SecurityAffairs – hacking, CISA)