VDB-190537 · CVE-2021-39683 · A-202003354

Google Android 20200335 sss_ice_util.c copy_from_mbox out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.0	$5k-$25k	0.00

Overview

A vulnerability was found in Google Android 20200335. It has been declared as critical. Affected by this vulnerability is the function copy_from_mbox of the file sss_ice_util.c. The manipulation leads to out-of-bounds write. The CWE definition for the vulnerability is CWE-787. The weakness was disclosed 01/15/2022 as A-202003354. The advisory is shared at source.android.com. This vulnerability is known as CVE-2021-39683. Local access is required to approach this attack. Technical details are available. There is no exploit available. The price for an exploit might be around USD $5k-$25k at the moment. It is declared as not defined. We expect the 0-day to have been worth approximately $5k-$25k. It is recommended to apply a patch to fix this issue. A possible mitigation has been published before and not just after the disclosure of the vulnerability. [Details]

Activities

Timeline

The data in this chart does not reflect real data. It is dummy data, distorted and not usable in any way. You need you unlock this view to get access to more details of real data.

Lang

The data in this chart does not reflect real data. It is dummy data, distorted and not usable in any way. You need you unlock this view to get access to more details of real data.

Country

The data in this chart does not reflect real data. It is dummy data, distorted and not usable in any way. You need you unlock this view to get access to more details of real data.

Actors

The data in this chart does not reflect real data. It is dummy data, distorted and not usable in any way. You need you unlock this view to get access to more details of real data.

Activities

IOC - Indicator of Compromise (4)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

ID	IP range	Actor	Type	Confidence
1	5.135.120.0/24	APT33	predictive	High
2	x.xxx.xxx.x	xxxxx	predictive	High
3	xxx.xx.xxx.x	xxxxx	predictive	High
4	xxx.xxx.xxx.x	xxxxx	predictive	High

IOA - Indicator of Attack (1)

These indicators of attack list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration. This data is unique as it uses our predictive model for actor profiling.

ID	Class	Indicator	Type	Confidence
1	File	sss_ice_util.c	predictive	High

Want to stay up to date on a daily basis?

Enable the mail alert feature now!